Q: Is 157,665 a Prime Number?
A: No, 157,665 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 157665 can be evenly divided by 1 3 5 15 23 69 115 345 457 1,371 2,285 6,855 10,511 31,533 52,555 and 157,665, with no remainder.
Since 157,665 cannot be divided by just 1 and 157,665, it is not a prime number.