Q: Is 1,242,750 a Prime Number?
A: No, 1,242,750 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 1242750 can be evenly divided by 1 2 3 5 6 10 15 25 30 50 75 125 150 250 375 750 1,657 3,314 4,971 8,285 9,942 16,570 24,855 41,425 49,710 82,850 124,275 207,125 248,550 414,250 621,375 and 1,242,750, with no remainder.
Since 1,242,750 cannot be divided by just 1 and 1,242,750, it is not a prime number.