Q: Is 513,940 a Prime Number?
A: No, 513,940 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 513940 can be evenly divided by 1 2 4 5 7 10 14 20 28 35 70 140 3,671 7,342 14,684 18,355 25,697 36,710 51,394 73,420 102,788 128,485 256,970 and 513,940, with no remainder.
Since 513,940 cannot be divided by just 1 and 513,940, it is not a prime number.