Q: Is 1,402,443 a Prime Number?
A: No, 1,402,443 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 1402443 can be evenly divided by 1 3 7 9 21 63 113 197 339 591 791 1,017 1,379 1,773 2,373 4,137 7,119 12,411 22,261 66,783 155,827 200,349 467,481 and 1,402,443, with no remainder.
Since 1,402,443 cannot be divided by just 1 and 1,402,443, it is not a prime number.