Q: Is 671,960 a Prime Number?
A: No, 671,960 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 671960 can be evenly divided by 1 2 4 5 8 10 20 40 107 157 214 314 428 535 628 785 856 1,070 1,256 1,570 2,140 3,140 4,280 6,280 16,799 33,598 67,196 83,995 134,392 167,990 335,980 and 671,960, with no remainder.
Since 671,960 cannot be divided by just 1 and 671,960, it is not a prime number.