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Subjects>Math>Basic Math

Is 391 a prime number or a composite number?

Anonymous

∙ 15y ago

Updated: 4/28/2022

391 is a composite number. 391 = 17 * 23

A Prime number is a whole number that only has two factors which are itself and one. A composite number has factors in addition to one and itself.

Wiki User

∙ 15y ago

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Related Questions

Is the number 391 prime?

A prime number is a number with two and only two factors: 1 (also known as unity) and itself. A composite number is a number with more than two factors; in other words, it has at least one factor besides 1 and itself. 391 has factors other than 1 and itself, so it is not a prime number. For example, it is divisible by 17. Therefore, 391 is a composite number.

Is 341 351 357 361 371 381 387 391 399 a prime or composite number?

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What is the definition of a prime and a composite number and a composite number and a composite number?

A prime number has two factors, a composite number has more than two.

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It is 1 that is neither a prime or a composite number The number 1 is neither prime nor composite.

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