Q: Is 660,072 a Prime Number?
A: No, 660,072 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 660072 can be evenly divided by 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 3,929 7,858 11,787 15,716 23,574 27,503 31,432 47,148 55,006 82,509 94,296 110,012 165,018 220,024 330,036 and 660,072, with no remainder.
Since 660,072 cannot be divided by just 1 and 660,072, it is not a prime number.