Q: Is 72,144 a Prime Number?
A: No, 72,144 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 72144 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 167 216 334 432 501 668 1,002 1,336 1,503 2,004 2,672 3,006 4,008 4,509 6,012 8,016 9,018 12,024 18,036 24,048 36,072 and 72,144, with no remainder.
Since 72,144 cannot be divided by just 1 and 72,144, it is not a prime number.