Q: Is 345,120 a Prime Number?
A: No, 345,120 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 345120 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 719 1,438 2,157 2,876 3,595 4,314 5,752 7,190 8,628 10,785 11,504 14,380 17,256 21,570 23,008 28,760 34,512 43,140 57,520 69,024 86,280 115,040 172,560 and 345,120, with no remainder.
Since 345,120 cannot be divided by just 1 and 345,120, it is not a prime number.