Q: Is 672,240 a Prime Number?
A: No, 672,240 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 672240 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 2,801 5,602 8,403 11,204 14,005 16,806 22,408 28,010 33,612 42,015 44,816 56,020 67,224 84,030 112,040 134,448 168,060 224,080 336,120 and 672,240, with no remainder.
Since 672,240 cannot be divided by just 1 and 672,240, it is not a prime number.