Q: Is 380,421 a Prime Number?
A: No, 380,421 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 380421 can be evenly divided by 1 3 9 43 129 387 983 2,949 8,847 42,269 126,807 and 380,421, with no remainder.
Since 380,421 cannot be divided by just 1 and 380,421, it is not a prime number.