Q: Is 1,438,120 a Prime Number?
A: No, 1,438,120 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 1438120 can be evenly divided by 1 2 4 5 8 10 20 40 157 229 314 458 628 785 916 1,145 1,256 1,570 1,832 2,290 3,140 4,580 6,280 9,160 35,953 71,906 143,812 179,765 287,624 359,530 719,060 and 1,438,120, with no remainder.
Since 1,438,120 cannot be divided by just 1 and 1,438,120, it is not a prime number.