Q: Is 345,344 a Prime Number?
A: No, 345,344 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 345344 can be evenly divided by 1 2 4 8 16 19 32 38 64 71 76 128 142 152 256 284 304 568 608 1,136 1,216 1,349 2,272 2,432 2,698 4,544 4,864 5,396 9,088 10,792 18,176 21,584 43,168 86,336 172,672 and 345,344, with no remainder.
Since 345,344 cannot be divided by just 1 and 345,344, it is not a prime number.