Q: Is 155,740 a Prime Number?
A: No, 155,740 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 155740 can be evenly divided by 1 2 4 5 10 13 20 26 52 65 130 260 599 1,198 2,396 2,995 5,990 7,787 11,980 15,574 31,148 38,935 77,870 and 155,740, with no remainder.
Since 155,740 cannot be divided by just 1 and 155,740, it is not a prime number.