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Why isn't 87 a prime number?

Anonymous

∙ 13y ago

Updated: 4/28/2022

87 is not a Prime number because 87 is divisible by 3 and 29.

Wiki User

∙ 13y ago

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Are 59 and 87 prime numbers?

Well, 59 is a prime number but87 is not a prime number!87 can be divided by more then 1 and itself, (87/3=29)59 cant.So that makes 59 a prime number and 87 is not a prime number!

Why is 87 a prime number?

87 is NOT a prime number. It has factors 3 and 29 aside from 1 and itself.

Why isnt 39 a prime number?

39 is not a prime number because it has four factors: 1,3,13,39 and because prime number are numbers who has 2 factors.

Why is 87 not a prime number?

Sum of the digits of 87 = 8+7 =15(a multiple of 3) which means that 87 is divisible by 3. Therefore, 87 is not a prime number as it has more than two factors which are 1, 87, 3 etc. In order to prove that a given number is prime we shall show that the given number has more than two factors. There is no need to find all the factors.

Write the number 87 as a product of prime factors?

87 = 3 x 29

Related Questions

Is 87 a prime nnumber?

87 is NOT a prime number.

Are 59 and 87 prime numbers?

Well, 59 is a prime number but87 is not a prime number!87 can be divided by more then 1 and itself, (87/3=29)59 cant.So that makes 59 a prime number and 87 is not a prime number!

A number that isnt a prime number?

Composite

Is a 87 a prime number?

No, the number 87 is composite.

Is 87 prime number or a composite number?

87 is composite.

What is a number called when it isnt a prime number?

Composite

Is the number 87 prime?

No. 87 / 3 = 29, so it can't be prime.

Why is 87 a prime number?

87 is NOT a prime number. It has factors 3 and 29 aside from 1 and itself.

Is 87 a compasite or a prime number?

87 is composite.

Write each number as a product of its prime factors 87?

To write 87 as a product of its prime factors, we first divide it by the smallest prime number, which is 3. This gives us 87 = 3 * 29. Since 29 is a prime number itself, the prime factorization of 87 is 3 * 29.

Is 53 and 87 a prime number?

53, yes. 87, no.

What is the greatest prime number that can be multiplied to get 87?

How about: 3*29 = 87

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