Q: Is 438,340 a Prime Number?
A: No, 438,340 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 438340 can be evenly divided by 1 2 4 5 7 10 14 20 28 31 35 62 70 101 124 140 155 202 217 310 404 434 505 620 707 868 1,010 1,085 1,414 2,020 2,170 2,828 3,131 3,535 4,340 6,262 7,070 12,524 14,140 15,655 21,917 31,310 43,834 62,620 87,668 109,585 219,170 and 438,340, with no remainder.
Since 438,340 cannot be divided by just 1 and 438,340, it is not a prime number.