Q: Is 1,242,890 a Prime Number?
A: No, 1,242,890 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 1242890 can be evenly divided by 1 2 5 10 11 22 55 110 11,299 22,598 56,495 112,990 124,289 248,578 621,445 and 1,242,890, with no remainder.
Since 1,242,890 cannot be divided by just 1 and 1,242,890, it is not a prime number.