Q: Is 346,640 a Prime Number?
A: No, 346,640 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 346640 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 619 1,238 2,476 3,095 4,333 4,952 6,190 8,666 9,904 12,380 17,332 21,665 24,760 34,664 43,330 49,520 69,328 86,660 173,320 and 346,640, with no remainder.
Since 346,640 cannot be divided by just 1 and 346,640, it is not a prime number.