0
Still curious? Ask our experts.
Chat with our AI personalities
Rafa
Ezra
ReneAdd your answer:
Earn +20 pts
Why is 87 a prime number?
87 is NOT a prime number. It has factors 3 and 29 aside from 1 and itself.
Write the number 87 as a product of prime factors?
87 = 3 x 29
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.
What are the factors and prime factors of 174?
The factors of 174 are: 1 2 3 6 29 58 87 174 The prime factors are: 2 x 3 x 29
What are the factors and prime factors of 261?
261 is a composite number because it has factors other than 1 and itself. It is not a prime number.The 6 factors of 261 are 1, 3, 9, 29, 87, and 261.The factor pairs of 261 are 1 x 261, 2 x 87, and 9 x 29.The proper factors of 261 are 1, 3, 9, 29, and 87 or,if the definition you are using excludes 1, they are 3, 9, 29, and 87.The prime factors of 261 are 3, 3, and 29. Note: There is repetition of these factors, so if the prime factors are being listed instead of the prime factorization, usually only the distinct prime factors are listed.The distinct prime factors (listing each prime factor only once) of 261 are 3 and 29.The prime factorization of 261 is 3 x 3 x 29 or, in exponential form, 32 x 29.NOTE: There cannot be common factors, a greatest common factor, or a least common multiple because "common" refers to factors or multiples that two or more numbers have in common.
