Q: Is 421,146 a Prime Number?
A: No, 421,146 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 421146 can be evenly divided by 1 2 3 6 9 11 18 22 27 33 54 66 99 198 297 594 709 1,418 2,127 4,254 6,381 7,799 12,762 15,598 19,143 23,397 38,286 46,794 70,191 140,382 210,573 and 421,146, with no remainder.
Since 421,146 cannot be divided by just 1 and 421,146, it is not a prime number.