Q: Is 436,401 a Prime Number?
A: No, 436,401 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 436401 can be evenly divided by 1 3 7 9 21 27 63 189 2,309 6,927 16,163 20,781 48,489 62,343 145,467 and 436,401, with no remainder.
Since 436,401 cannot be divided by just 1 and 436,401, it is not a prime number.