Q: Is 1,237,648 a Prime Number?
A: No, 1,237,648 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 1237648 can be evenly divided by 1 2 4 8 16 103 206 412 751 824 1,502 1,648 3,004 6,008 12,016 77,353 154,706 309,412 618,824 and 1,237,648, with no remainder.
Since 1,237,648 cannot be divided by just 1 and 1,237,648, it is not a prime number.