Q: Is 8,423,872 a Prime Number?
A: No, 8,423,872 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 8423872 can be evenly divided by 1 2 4 8 16 32 43 64 86 172 344 688 1,376 2,752 3,061 6,122 12,244 24,488 48,976 97,952 131,623 195,904 263,246 526,492 1,052,984 2,105,968 4,211,936 and 8,423,872, with no remainder.
Since 8,423,872 cannot be divided by just 1 and 8,423,872, it is not a prime number.