Q: Is 355,120 a Prime Number?
A: No, 355,120 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 355120 can be evenly divided by 1 2 4 5 8 10 16 20 23 40 46 80 92 115 184 193 230 368 386 460 772 920 965 1,544 1,840 1,930 3,088 3,860 4,439 7,720 8,878 15,440 17,756 22,195 35,512 44,390 71,024 88,780 177,560 and 355,120, with no remainder.
Since 355,120 cannot be divided by just 1 and 355,120, it is not a prime number.