Q: Is 162,740 a Prime Number?
A: No, 162,740 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 162740 can be evenly divided by 1 2 4 5 10 20 79 103 158 206 316 395 412 515 790 1,030 1,580 2,060 8,137 16,274 32,548 40,685 81,370 and 162,740, with no remainder.
Since 162,740 cannot be divided by just 1 and 162,740, it is not a prime number.