Q: Is 572,145 a Prime Number?
A: No, 572,145 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 572145 can be evenly divided by 1 3 5 7 15 21 35 105 5,449 16,347 27,245 38,143 81,735 114,429 190,715 and 572,145, with no remainder.
Since 572,145 cannot be divided by just 1 and 572,145, it is not a prime number.