Q: Is 77,904 a Prime Number?
A: No, 77,904 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 77904 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 541 1,082 1,623 2,164 3,246 4,328 4,869 6,492 8,656 9,738 12,984 19,476 25,968 38,952 and 77,904, with no remainder.
Since 77,904 cannot be divided by just 1 and 77,904, it is not a prime number.