Q: Is 1,712,421 a Prime Number?
A: No, 1,712,421 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 1712421 can be evenly divided by 1 3 9 27 29 81 87 243 261 729 783 2,187 2,349 6,561 7,047 19,683 21,141 59,049 63,423 190,269 570,807 and 1,712,421, with no remainder.
Since 1,712,421 cannot be divided by just 1 and 1,712,421, it is not a prime number.