Q: Is 5,375,961 a Prime Number?
A: No, 5,375,961 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 5375961 can be evenly divided by 1 3 9 17 41 51 123 153 369 697 857 2,091 2,571 6,273 7,713 14,569 35,137 43,707 105,411 131,121 316,233 597,329 1,791,987 and 5,375,961, with no remainder.
Since 5,375,961 cannot be divided by just 1 and 5,375,961, it is not a prime number.