Q: Is 42,470 a Prime Number?
A: No, 42,470 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 42470 can be evenly divided by 1 2 5 10 31 62 137 155 274 310 685 1,370 4,247 8,494 21,235 and 42,470, with no remainder.
Since 42,470 cannot be divided by just 1 and 42,470, it is not a prime number.