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151 is a prime number from 101-200. 151 has 2 factors, 1 and 151. It is the 36th prime number, and the eleventh prime number from 101-200.

Proofs

  • Yes — 151 can be divided by 1.
  • No — 151 cannot be divided by 2-150.
  • Yes — 151 can be divided by 151.


As an Exponent of Mersenne Number

2151 - 1 is divisible by numbers such as 18,121, 55,871, 165,799, and is therefore not a prime number.

Relationship with other odd numbers

The numbers before

  • The previous prime number is 149.
    • There are no odd numbers between 149 and 151. As a result, they are twin primes.
  • The previous prime number before 149 is 139.
    • Notably, 143 is not a prime number because it can be factored as 11 x 13.

The numbers after

  • The next prime number is 157.
    • 151 and 157 are six numbers apart; therefore, they are sexy primes.
  • 163 is the next prime number after 157.
    • In particular, 161 is divisible by 7, therefore not a prime number.