Q: Is 513,840 a Prime Number?
A: No, 513,840 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 513840 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 2,141 4,282 6,423 8,564 10,705 12,846 17,128 21,410 25,692 32,115 34,256 42,820 51,384 64,230 85,640 102,768 128,460 171,280 256,920 and 513,840, with no remainder.
Since 513,840 cannot be divided by just 1 and 513,840, it is not a prime number.