Q: Is 1,251,980 a Prime Number?
A: No, 1,251,980 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 1251980 can be evenly divided by 1 2 4 5 10 20 59 118 236 295 590 1,061 1,180 2,122 4,244 5,305 10,610 21,220 62,599 125,198 250,396 312,995 625,990 and 1,251,980, with no remainder.
Since 1,251,980 cannot be divided by just 1 and 1,251,980, it is not a prime number.