Q: Is 1,309,791 a Prime Number?
A: No, 1,309,791 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 1309791 can be evenly divided by 1 3 7 21 97 291 643 679 1,929 2,037 4,501 13,503 62,371 187,113 436,597 and 1,309,791, with no remainder.
Since 1,309,791 cannot be divided by just 1 and 1,309,791, it is not a prime number.