Q: Is 2,661,264 a Prime Number?
A: No, 2,661,264 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 2661264 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 18,481 36,962 55,443 73,924 110,886 147,848 166,329 221,772 295,696 332,658 443,544 665,316 887,088 1,330,632 and 2,661,264, with no remainder.
Since 2,661,264 cannot be divided by just 1 and 2,661,264, it is not a prime number.