Q: Is 1,239,972 a Prime Number?
A: No, 1,239,972 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 1239972 can be evenly divided by 1 2 3 4 6 12 191 382 541 573 764 1,082 1,146 1,623 2,164 2,292 3,246 6,492 103,331 206,662 309,993 413,324 619,986 and 1,239,972, with no remainder.
Since 1,239,972 cannot be divided by just 1 and 1,239,972, it is not a prime number.