Q: Is 671,340 a Prime Number?
A: No, 671,340 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 671340 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 60 67 134 167 201 268 334 335 402 501 668 670 804 835 1,002 1,005 1,340 1,670 2,004 2,010 2,505 3,340 4,020 5,010 10,020 11,189 22,378 33,567 44,756 55,945 67,134 111,890 134,268 167,835 223,780 335,670 and 671,340, with no remainder.
Since 671,340 cannot be divided by just 1 and 671,340, it is not a prime number.