Q: Is 1,720,120 a Prime Number?
A: No, 1,720,120 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 1720120 can be evenly divided by 1 2 4 5 8 10 20 40 43,003 86,006 172,012 215,015 344,024 430,030 860,060 and 1,720,120, with no remainder.
Since 1,720,120 cannot be divided by just 1 and 1,720,120, it is not a prime number.