Q: Is 672,720 a Prime Number?
A: No, 672,720 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 672720 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 2,803 5,606 8,409 11,212 14,015 16,818 22,424 28,030 33,636 42,045 44,848 56,060 67,272 84,090 112,120 134,544 168,180 224,240 336,360 and 672,720, with no remainder.
Since 672,720 cannot be divided by just 1 and 672,720, it is not a prime number.