To determine if 151 is a prime number or a composite number, we simply look at the factors for 151.
If the factors of 151 are only 151 and 1, then we know that 151 is a prime number. Otherwise, 151 is a composite number.
To explain better, if 151 is only divisible by 1 and 151, then it is a prime number, and if 151 is divisible by more than 151 and 1, then it is a composite number.
The factors of 151 are as follows:
1, 151
Therefore, since 151 is divisible by only one and itself, the answer to the
question "Is 151 prime or composite?" is highlighted in blue below.
prime
Is 152 prime or composite?
OK. Now you know that 151 is a prime number. Use our logic above and see if
you can figure out if the next number on our list is prime or composite before you check your answer.
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