Q: Is 423,870 a Prime Number?
A: No, 423,870 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 423870 can be evenly divided by 1 2 3 5 6 10 15 30 71 142 199 213 355 398 426 597 710 995 1,065 1,194 1,990 2,130 2,985 5,970 14,129 28,258 42,387 70,645 84,774 141,290 211,935 and 423,870, with no remainder.
Since 423,870 cannot be divided by just 1 and 423,870, it is not a prime number.