Q: Is 77,120 a Prime Number?
A: No, 77,120 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 77120 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 160 241 320 482 964 1,205 1,928 2,410 3,856 4,820 7,712 9,640 15,424 19,280 38,560 and 77,120, with no remainder.
Since 77,120 cannot be divided by just 1 and 77,120, it is not a prime number.