Q: Is 609,428 a Prime Number?
A: No, 609,428 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 609428 can be evenly divided by 1 2 4 251 502 607 1,004 1,214 2,428 152,357 304,714 and 609,428, with no remainder.
Since 609,428 cannot be divided by just 1 and 609,428, it is not a prime number.