Multiples of 420: First 20 Multiples

Quick Answer

The first 20 multiples of 420 are: 420, 840, 1260, 1680, 2100, 2520, 2940, 3360, 3780, 4200, 4620, 5040, 5460, 5880, 6300, 6720, 7140, 7560, 7980, 8400.

Sum: 88200.  Average: 4410.

Multiples Calculator


  Ex.: 3, 7, 12, 100, etc. — shows first 20 multiples.
First 20 multiples of 420
420, 840, 1260, 1680, 2100, 2520, 2940, 3360, 3780, 4200, 4620, 5040, 5460, 5880, 6300, 6720, 7140, 7560, 7980, 8400

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 420

First 5 Multiples of 420

The first 5 multiples of 420 are: 420, 840, 1260, 1680, 2100.

First 10 Multiples of 420

The first 10 multiples of 420 are: 420, 840, 1260, 1680, 2100, 2520, 2940, 3360, 3780, 4200.

First 20 Multiples of 420

The first 20 multiples of 420 are: 420, 840, 1260, 1680, 2100, 2520, 2940, 3360, 3780, 4200, 4620, 5040, 5460, 5880, 6300, 6720, 7140, 7560, 7980, 8400.

Sum: 88200.  Average: 4410.

Multiplication Table for 420

k420 × k
1420 × 1 = 420
2420 × 2 = 840
3420 × 3 = 1260
4420 × 4 = 1680
5420 × 5 = 2100
6420 × 6 = 2520
7420 × 7 = 2940
8420 × 8 = 3360
9420 × 9 = 3780
10420 × 10 = 4200
11420 × 11 = 4620
12420 × 12 = 5040
13420 × 13 = 5460
14420 × 14 = 5880
15420 × 15 = 6300
16420 × 16 = 6720
17420 × 17 = 7140
18420 × 18 = 7560
19420 × 19 = 7980
20420 × 20 = 8400

See Divisors of Each Multiple

Since each multiple of 420 has 420 as one of its divisors, here are the divisor pages for the first 8 multiples:

Step-by-Step: How to List the Multiples of 420

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 420 by each integer from 1 to k:

  1. 420 × 1 = 420
  2. 420 × 2 = 840
  3. 420 × 3 = 1260
  4. …continue up to 420 × 20 = 8400.
  5. Sum of these 20 multiples: 420 × (1+2+…+20) = 420 × 210 = 88200.

Shortcut: the sum of the first 20 multiples of 420 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: M420 = {0, 420, 840, 1260, 1680, …}.

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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