Q: Is 1,375,940 a Prime Number?
A: No, 1,375,940 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 1375940 can be evenly divided by 1 2 4 5 10 20 89 178 356 445 773 890 1,546 1,780 3,092 3,865 7,730 15,460 68,797 137,594 275,188 343,985 687,970 and 1,375,940, with no remainder.
Since 1,375,940 cannot be divided by just 1 and 1,375,940, it is not a prime number.