Q: Is 506,401 a Prime Number?
A: No, 506,401 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 506401 can be evenly divided by 1 7 73 511 991 6,937 72,343 and 506,401, with no remainder.
Since 506,401 cannot be divided by just 1 and 506,401, it is not a prime number.