Q: Is 345,340 a Prime Number?
A: No, 345,340 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 345340 can be evenly divided by 1 2 4 5 10 20 31 62 124 155 310 557 620 1,114 2,228 2,785 5,570 11,140 17,267 34,534 69,068 86,335 172,670 and 345,340, with no remainder.
Since 345,340 cannot be divided by just 1 and 345,340, it is not a prime number.