Q: Is 2,243,397 a Prime Number?
A: No, 2,243,397 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 2243397 can be evenly divided by 1 3 13 23 39 41 61 69 123 183 299 533 793 897 943 1,403 1,599 2,379 2,501 2,829 4,209 7,503 12,259 18,239 32,513 36,777 54,717 57,523 97,539 172,569 747,799 and 2,243,397, with no remainder.
Since 2,243,397 cannot be divided by just 1 and 2,243,397, it is not a prime number.