Q: Is 1,209,642 a Prime Number?
A: No, 1,209,642 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 1209642 can be evenly divided by 1 2 3 6 7 14 21 42 83 166 249 347 498 581 694 1,041 1,162 1,743 2,082 2,429 3,486 4,858 7,287 14,574 28,801 57,602 86,403 172,806 201,607 403,214 604,821 and 1,209,642, with no remainder.
Since 1,209,642 cannot be divided by just 1 and 1,209,642, it is not a prime number.