Q: Is 501,438 a Prime Number?
A: No, 501,438 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 501438 can be evenly divided by 1 2 3 6 7 14 21 42 11,939 23,878 35,817 71,634 83,573 167,146 250,719 and 501,438, with no remainder.
Since 501,438 cannot be divided by just 1 and 501,438, it is not a prime number.