Q: Is 1,145,680 a Prime Number?
A: No, 1,145,680 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 1145680 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 14,321 28,642 57,284 71,605 114,568 143,210 229,136 286,420 572,840 and 1,145,680, with no remainder.
Since 1,145,680 cannot be divided by just 1 and 1,145,680, it is not a prime number.