Q: Is 1,380,990 a Prime Number?
A: No, 1,380,990 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 1380990 can be evenly divided by 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 3,541 7,082 10,623 17,705 21,246 35,410 46,033 53,115 92,066 106,230 138,099 230,165 276,198 460,330 690,495 and 1,380,990, with no remainder.
Since 1,380,990 cannot be divided by just 1 and 1,380,990, it is not a prime number.