Q: Is 1,673,720 a Prime Number?
A: No, 1,673,720 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 1673720 can be evenly divided by 1 2 4 5 8 10 20 40 41,843 83,686 167,372 209,215 334,744 418,430 836,860 and 1,673,720, with no remainder.
Since 1,673,720 cannot be divided by just 1 and 1,673,720, it is not a prime number.