Q: Is 309,912 a Prime Number?
A: No, 309,912 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 309912 can be evenly divided by 1 2 3 4 6 8 12 24 37 74 111 148 222 296 349 444 698 888 1,047 1,396 2,094 2,792 4,188 8,376 12,913 25,826 38,739 51,652 77,478 103,304 154,956 and 309,912, with no remainder.
Since 309,912 cannot be divided by just 1 and 309,912, it is not a prime number.