Q: Is 152,421 a Prime Number?
A: No, 152,421 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 152421 can be evenly divided by 1 3 23 47 69 141 1,081 2,209 3,243 6,627 50,807 and 152,421, with no remainder.
Since 152,421 cannot be divided by just 1 and 152,421, it is not a prime number.