Q: Is 1,266,648 a Prime Number?
A: No, 1,266,648 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 1266648 can be evenly divided by 1 2 3 4 6 8 12 24 89 178 267 356 534 593 712 1,068 1,186 1,779 2,136 2,372 3,558 4,744 7,116 14,232 52,777 105,554 158,331 211,108 316,662 422,216 633,324 and 1,266,648, with no remainder.
Since 1,266,648 cannot be divided by just 1 and 1,266,648, it is not a prime number.