Q: Is 2,642,505 a Prime Number?
A: No, 2,642,505 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 2642505 can be evenly divided by 1 3 5 15 113 339 565 1,559 1,695 4,677 7,795 23,385 176,167 528,501 880,835 and 2,642,505, with no remainder.
Since 2,642,505 cannot be divided by just 1 and 2,642,505, it is not a prime number.