Q: Is 309,240 a Prime Number?
A: No, 309,240 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 309240 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 859 1,718 2,577 3,436 4,295 5,154 6,872 7,731 8,590 10,308 12,885 15,462 17,180 20,616 25,770 30,924 34,360 38,655 51,540 61,848 77,310 103,080 154,620 and 309,240, with no remainder.
Since 309,240 cannot be divided by just 1 and 309,240, it is not a prime number.