Q: Is 421,248 a Prime Number?
A: No, 421,248 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 421248 can be evenly divided by 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 1,097 2,194 3,291 4,388 6,582 8,776 13,164 17,552 26,328 35,104 52,656 70,208 105,312 140,416 210,624 and 421,248, with no remainder.
Since 421,248 cannot be divided by just 1 and 421,248, it is not a prime number.