Q: Is 513,780 a Prime Number?
A: No, 513,780 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 513780 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 60 8,563 17,126 25,689 34,252 42,815 51,378 85,630 102,756 128,445 171,260 256,890 and 513,780, with no remainder.
Since 513,780 cannot be divided by just 1 and 513,780, it is not a prime number.