Q: Is 680,240 a Prime Number?
A: No, 680,240 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 680240 can be evenly divided by 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 773 880 1,546 3,092 3,865 6,184 7,730 8,503 12,368 15,460 17,006 30,920 34,012 42,515 61,840 68,024 85,030 136,048 170,060 340,120 and 680,240, with no remainder.
Since 680,240 cannot be divided by just 1 and 680,240, it is not a prime number.