Q: Is 345,744 a Prime Number?
A: No, 345,744 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 345744 can be evenly divided by 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 49 56 63 72 84 98 112 126 144 147 168 196 252 294 336 343 392 441 504 588 686 784 882 1,008 1,029 1,176 1,372 1,764 2,058 2,352 2,401 2,744 3,087 3,528 4,116 4,802 5,488 6,174 7,056 7,203 8,232 9,604 12,348 14,406 16,464 19,208 21,609 24,696 28,812 38,416 43,218 49,392 57,624 86,436 115,248 172,872 and 345,744, with no remainder.
Since 345,744 cannot be divided by just 1 and 345,744, it is not a prime number.