Multiples of 840: First 20 Multiples

Quick Answer

The first 20 multiples of 840 are: 840, 1680, 2520, 3360, 4200, 5040, 5880, 6720, 7560, 8400, 9240, 10080, 10920, 11760, 12600, 13440, 14280, 15120, 15960, 16800.

Sum: 176400.  Average: 8820.

Multiples Calculator


  Ex.: 3, 7, 12, 100, etc. — shows first 20 multiples.
First 20 multiples of 840
840, 1680, 2520, 3360, 4200, 5040, 5880, 6720, 7560, 8400, 9240, 10080, 10920, 11760, 12600, 13440, 14280, 15120, 15960, 16800

Use the calculator above to find the first 20 multiples of any positive integer up to 10,000. A multiple of n is any number obtained by multiplying n by a natural number: n × 1, n × 2, n × 3, ... Beyond the multiples list, this tool shows the sum, average, full multiplication table, and links to the divisor pages of each multiple.

First Multiples of 840

First 5 Multiples of 840

The first 5 multiples of 840 are: 840, 1680, 2520, 3360, 4200.

First 10 Multiples of 840

The first 10 multiples of 840 are: 840, 1680, 2520, 3360, 4200, 5040, 5880, 6720, 7560, 8400.

First 20 Multiples of 840

The first 20 multiples of 840 are: 840, 1680, 2520, 3360, 4200, 5040, 5880, 6720, 7560, 8400, 9240, 10080, 10920, 11760, 12600, 13440, 14280, 15120, 15960, 16800.

Sum: 176400.  Average: 8820.

Multiplication Table for 840

k840 × k
1840 × 1 = 840
2840 × 2 = 1680
3840 × 3 = 2520
4840 × 4 = 3360
5840 × 5 = 4200
6840 × 6 = 5040
7840 × 7 = 5880
8840 × 8 = 6720
9840 × 9 = 7560
10840 × 10 = 8400
11840 × 11 = 9240
12840 × 12 = 10080
13840 × 13 = 10920
14840 × 14 = 11760
15840 × 15 = 12600
16840 × 16 = 13440
17840 × 17 = 14280
18840 × 18 = 15120
19840 × 19 = 15960
20840 × 20 = 16800

See Divisors of Each Multiple

Since each multiple of 840 has 840 as one of its divisors, here are the divisor pages for the first 8 multiples:

Step-by-Step: How to List the Multiples of 840

A multiple of n is the result of multiplying n by any natural number (1, 2, 3, ...). To list the first k multiples, just multiply 840 by each integer from 1 to k:

  1. 840 × 1 = 840
  2. 840 × 2 = 1680
  3. 840 × 3 = 2520
  4. …continue up to 840 × 20 = 16800.
  5. Sum of these 20 multiples: 840 × (1+2+…+20) = 840 × 210 = 176400.

Shortcut: the sum of the first 20 multiples of 840 always equals 210n, since 1+2+…+20 = 210.

Facts About Multiples

  • Any number is a multiple of itself (n × 1 = n).
  • Any number is a multiple of 1 (1 × n = n).
  • Zero is a multiple of any number (0 × n = 0).
  • The set of multiples of a number is infinite — every natural-number multiplier produces another multiple.
  • If two numbers a and b are multiplied, the product a × b is a common multiple of both (but not necessarily the least common multiple — LCM).

The set of multiples of n can be represented as Mn = {0, 1·n, 2·n, 3·n, …}. For example: M840 = {0, 840, 1680, 2520, 3360, …}.

Nearby Examples

nfirst 5 multiplessum (20)
120120, 240, 360, 480, 60025200
100100, 200, 300, 400, 50021000
7272, 144, 216, 288, 36015120
6060, 120, 180, 240, 30012600
4848, 96, 144, 192, 24010080
3636, 72, 108, 144, 1807560
2424, 48, 72, 96, 1205040
1818, 36, 54, 72, 903780

Multiples Table

  • 1: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20
  • 2: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40
  • 3: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48, 51, 54, 57, 60
  • 4: 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80
  • 5: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100
  • 6: 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72, 78, 84, 90, 96, 102, 108, 114, 120
  • 7: 7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84, 91, 98, 105, 112, 119, 126, 133, 140
  • 8: 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 96, 104, 112, 120, 128, 136, 144, 152, 160
  • 9: 9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99, 108, 117, 126, 135, 144, 153, 162, 171, 180
  • 10: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, 140, 150, 160, 170, 180, 190, 200
  • 11: 11, 22, 33, 44, 55, 66, 77, 88, 99, 110, 121, 132, 143, 154, 165, 176, 187, 198, 209, 220
  • 12: 12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 132, 144, 156, 168, 180, 192, 204, 216, 228, 240
  • 13: 13, 26, 39, 52, 65, 78, 91, 104, 117, 130, 143, 156, 169, 182, 195, 208, 221, 234, 247, 260
  • 14: 14, 28, 42, 56, 70, 84, 98, 112, 126, 140, 154, 168, 182, 196, 210, 224, 238, 252, 266, 280
  • 15: 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195, 210, 225, 240, 255, 270, 285, 300

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