Q: Is 280,137 a Prime Number?
A: No, 280,137 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 280137 can be evenly divided by 1 3 11 13 33 39 143 429 653 1,959 7,183 8,489 21,549 25,467 93,379 and 280,137, with no remainder.
Since 280,137 cannot be divided by just 1 and 280,137, it is not a prime number.