Q: Is 1,275,720 a Prime Number?
A: No, 1,275,720 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 1275720 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 10,631 21,262 31,893 42,524 53,155 63,786 85,048 106,310 127,572 159,465 212,620 255,144 318,930 425,240 637,860 and 1,275,720, with no remainder.
Since 1,275,720 cannot be divided by just 1 and 1,275,720, it is not a prime number.