Q: Is 1,145,272 a Prime Number?
A: No, 1,145,272 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 1145272 can be evenly divided by 1 2 4 8 143,159 286,318 572,636 and 1,145,272, with no remainder.
Since 1,145,272 cannot be divided by just 1 and 1,145,272, it is not a prime number.