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Why is 87 a prime number?

Updated: 4/28/2022

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∙ 12y ago

Best Answer

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

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Why isn't 87 a prime number?

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

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 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

Is 87 composite or prime?

87 is composite. It can be divided by 1 and 87 and 3 and 29.87 is not a Prime number as it can be divided by 3 and 29

Related questions

Is 87 a prime nnumber?

87 is NOT a prime number.

Why isn't 87 a prime number?

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

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!

Is a 87 a prime number?

No, the number 87 is composite.

Is 87 prime number or a composite number?

87 is composite.

Is the number 87 prime?

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

Is 87 a compasite or a prime number?

87 is composite.

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

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.

Is the number 87 a prime or composite?

composite

Is 87 prime or composeite?

It is a composite number.

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