Q: Is 672,740 a Prime Number?
A: No, 672,740 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 672740 can be evenly divided by 1 2 4 5 10 20 33,637 67,274 134,548 168,185 336,370 and 672,740, with no remainder.
Since 672,740 cannot be divided by just 1 and 672,740, it is not a prime number.