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157 is a prime number from 101-200. 157 has 2 factors, 1 and 157. It is the 37th prime number, and the twelfth prime number from 101-200.

Proofs

  • Yes — 157 can be divided by 1.
  • No — 157 cannot be divided by 2-156.
  • Yes — 157 can be divided by 157.


As an Exponent of Mersenne Number

2157 - 1 is divisible by 852,133,201, and is therefore not a prime number.

Relationship with other odd numbers

The numbers before

  • The previous prime number is 151.
    • 151 and 157 are six numbers apart; therefore, they are sexy primes.
  • The previous prime number before 151 is 149.

The numbers after

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