Q: Is 397,432 a Prime Number?
A: No, 397,432 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 397432 can be evenly divided by 1 2 4 7 8 14 28 47 56 94 151 188 302 329 376 604 658 1,057 1,208 1,316 2,114 2,632 4,228 7,097 8,456 14,194 28,388 49,679 56,776 99,358 198,716 and 397,432, with no remainder.
Since 397,432 cannot be divided by just 1 and 397,432, it is not a prime number.