Q: Is 989,720 a Prime Number?
A: No, 989,720 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 989720 can be evenly divided by 1 2 4 5 8 10 20 40 109 218 227 436 454 545 872 908 1,090 1,135 1,816 2,180 2,270 4,360 4,540 9,080 24,743 49,486 98,972 123,715 197,944 247,430 494,860 and 989,720, with no remainder.
Since 989,720 cannot be divided by just 1 and 989,720, it is not a prime number.