Q: Is 421,170 a Prime Number?
A: No, 421,170 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 421170 can be evenly divided by 1 2 3 5 6 10 15 30 101 139 202 278 303 417 505 606 695 834 1,010 1,390 1,515 2,085 3,030 4,170 14,039 28,078 42,117 70,195 84,234 140,390 210,585 and 421,170, with no remainder.
Since 421,170 cannot be divided by just 1 and 421,170, it is not a prime number.