Q: Is 155,020 a Prime Number?
A: No, 155,020 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 155020 can be evenly divided by 1 2 4 5 10 20 23 46 92 115 230 337 460 674 1,348 1,685 3,370 6,740 7,751 15,502 31,004 38,755 77,510 and 155,020, with no remainder.
Since 155,020 cannot be divided by just 1 and 155,020, it is not a prime number.