Q: Is 1,720,017 a Prime Number?
A: No, 1,720,017 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 1720017 can be evenly divided by 1 3 9 13 39 61 117 183 241 549 723 793 2,169 2,379 3,133 7,137 9,399 14,701 28,197 44,103 132,309 191,113 573,339 and 1,720,017, with no remainder.
Since 1,720,017 cannot be divided by just 1 and 1,720,017, it is not a prime number.