Q: Is 671,360 a Prime Number?
A: No, 671,360 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 671360 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 1,049 2,098 4,196 5,245 8,392 10,490 16,784 20,980 33,568 41,960 67,136 83,920 134,272 167,840 335,680 and 671,360, with no remainder.
Since 671,360 cannot be divided by just 1 and 671,360, it is not a prime number.