Q: Is 2,461,664 a Prime Number?
A: No, 2,461,664 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 2461664 can be evenly divided by 1 2 4 8 16 32 43 86 172 344 688 1,376 1,789 3,578 7,156 14,312 28,624 57,248 76,927 153,854 307,708 615,416 1,230,832 and 2,461,664, with no remainder.
Since 2,461,664 cannot be divided by just 1 and 2,461,664, it is not a prime number.