What are all the divisors of 391?

The divisors or factors of 391 are:

1, 17 and 23

The number 391 has 3 divisors.

Divisors of Calculator

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The number 391 is a composite number because it is divisible at least by 17, and 23. See below how many and what are their divisors.

The prime factorization of the number 391 is written as the product of powers, as 17•23 .

The prime factors of 391 are 17, and 23.

Prime factors do not always represent all divisors of a number. The number 391 has the following divisors or factors:

1, 17 and 23

These numbers above represent 'all' the divisors of 391 (not only the prime ones). Note that the number 391 has 3 divisors.

Use our divisor calculator to find out if any number is divisible, and in this case, identify and count all its divisors. See also our 'Table of Divisors from 0 to 10,000'

FAQs on divisors or factors of 391

What are all the divisors of 391?

The divisors of the number 391 are:

1, 17 and 23

How many divisors does 391 have?

The number 391 has 3 divisors.

Is 391 a prime or a composite number?

The number 391 is a composite number because it is divided by 3.

See also our tables of dividers:

Divisors Calculation Examples With Work

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