Q: Is 1,438,374 a Prime Number?
A: No, 1,438,374 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 1438374 can be evenly divided by 1 2 3 6 7 14 21 23 42 46 69 138 161 322 483 966 1,489 2,978 4,467 8,934 10,423 20,846 31,269 34,247 62,538 68,494 102,741 205,482 239,729 479,458 719,187 and 1,438,374, with no remainder.
Since 1,438,374 cannot be divided by just 1 and 1,438,374, it is not a prime number.