Q: Is 221,379 a Prime Number?
A: No, 221,379 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 221379 can be evenly divided by 1 3 109 327 677 2,031 73,793 and 221,379, with no remainder.
Since 221,379 cannot be divided by just 1 and 221,379, it is not a prime number.