Q: Is 421,486 a Prime Number?
A: No, 421,486 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 421486 can be evenly divided by 1 2 13 26 29 43 58 86 169 338 377 559 754 1,118 1,247 2,494 4,901 7,267 9,802 14,534 16,211 32,422 210,743 and 421,486, with no remainder.
Since 421,486 cannot be divided by just 1 and 421,486, it is not a prime number.