Q: Is 8,421,264 a Prime Number?
A: No, 8,421,264 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 8421264 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 58,481 116,962 175,443 233,924 350,886 467,848 526,329 701,772 935,696 1,052,658 1,403,544 2,105,316 2,807,088 4,210,632 and 8,421,264, with no remainder.
Since 8,421,264 cannot be divided by just 1 and 8,421,264, it is not a prime number.