Q: Is 670,540 a Prime Number?
A: No, 670,540 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 670540 can be evenly divided by 1 2 4 5 10 13 20 26 52 65 130 260 2,579 5,158 10,316 12,895 25,790 33,527 51,580 67,054 134,108 167,635 335,270 and 670,540, with no remainder.
Since 670,540 cannot be divided by just 1 and 670,540, it is not a prime number.