Q: Is 421,552 a Prime Number?
A: No, 421,552 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 421552 can be evenly divided by 1 2 4 8 16 26,347 52,694 105,388 210,776 and 421,552, with no remainder.
Since 421,552 cannot be divided by just 1 and 421,552, it is not a prime number.