Q: Is 1,720,425 a Prime Number?
A: No, 1,720,425 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 1720425 can be evenly divided by 1 3 5 7 15 21 25 29 35 75 87 105 113 145 175 203 339 435 525 565 609 725 791 1,015 1,695 2,175 2,373 2,825 3,045 3,277 3,955 5,075 8,475 9,831 11,865 15,225 16,385 19,775 22,939 49,155 59,325 68,817 81,925 114,695 245,775 344,085 573,475 and 1,720,425, with no remainder.
Since 1,720,425 cannot be divided by just 1 and 1,720,425, it is not a prime number.