Q: Is 145,299 a Prime Number?
A: No, 145,299 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 145299 can be evenly divided by 1 3 7 11 17 21 33 37 51 77 111 119 187 231 259 357 407 561 629 777 1,221 1,309 1,887 2,849 3,927 4,403 6,919 8,547 13,209 20,757 48,433 and 145,299, with no remainder.
Since 145,299 cannot be divided by just 1 and 145,299, it is not a prime number.