Q: Is 2,445,664 a Prime Number?
A: No, 2,445,664 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 2445664 can be evenly divided by 1 2 4 8 13 16 26 32 52 104 208 416 5,879 11,758 23,516 47,032 76,427 94,064 152,854 188,128 305,708 611,416 1,222,832 and 2,445,664, with no remainder.
Since 2,445,664 cannot be divided by just 1 and 2,445,664, it is not a prime number.