Q: Is 145,120 a Prime Number?
A: No, 145,120 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 145120 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 80 160 907 1,814 3,628 4,535 7,256 9,070 14,512 18,140 29,024 36,280 72,560 and 145,120, with no remainder.
Since 145,120 cannot be divided by just 1 and 145,120, it is not a prime number.