Q: Is 672,615 a Prime Number?
A: No, 672,615 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 672615 can be evenly divided by 1 3 5 9 15 45 14,947 44,841 74,735 134,523 224,205 and 672,615, with no remainder.
Since 672,615 cannot be divided by just 1 and 672,615, it is not a prime number.