Q: Is 3,603,537 a Prime Number?
A: No, 3,603,537 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 3603537 can be evenly divided by 1 3 7 9 21 47 63 141 329 423 987 1,217 2,961 3,651 8,519 10,953 25,557 57,199 76,671 171,597 400,393 514,791 1,201,179 and 3,603,537, with no remainder.
Since 3,603,537 cannot be divided by just 1 and 3,603,537, it is not a prime number.