Q: Is 513,456 a Prime Number?
A: No, 513,456 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 513456 can be evenly divided by 1 2 3 4 6 8 12 16 19 24 38 48 57 76 114 152 228 304 456 563 912 1,126 1,689 2,252 3,378 4,504 6,756 9,008 10,697 13,512 21,394 27,024 32,091 42,788 64,182 85,576 128,364 171,152 256,728 and 513,456, with no remainder.
Since 513,456 cannot be divided by just 1 and 513,456, it is not a prime number.