Q: Is 1,242,650 a Prime Number?
A: No, 1,242,650 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 1242650 can be evenly divided by 1 2 5 10 25 29 50 58 145 290 725 857 1,450 1,714 4,285 8,570 21,425 24,853 42,850 49,706 124,265 248,530 621,325 and 1,242,650, with no remainder.
Since 1,242,650 cannot be divided by just 1 and 1,242,650, it is not a prime number.