Q: Is 4,129,521 a Prime Number?
A: No, 4,129,521 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 4129521 can be evenly divided by 1 3 11 17 33 51 187 289 433 561 867 1,299 3,179 4,763 7,361 9,537 14,289 22,083 80,971 125,137 242,913 375,411 1,376,507 and 4,129,521, with no remainder.
Since 4,129,521 cannot be divided by just 1 and 4,129,521, it is not a prime number.