Q: Is 3,641,775 a Prime Number?
A: No, 3,641,775 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 3641775 can be evenly divided by 1 3 5 15 25 59 75 177 295 823 885 1,475 2,469 4,115 4,425 12,345 20,575 48,557 61,725 145,671 242,785 728,355 1,213,925 and 3,641,775, with no remainder.
Since 3,641,775 cannot be divided by just 1 and 3,641,775, it is not a prime number.