Q: Is 1,720,420 a Composite Number?
A: Yes, 1,720,420 is a composite number.
The number 1,720,420 can be evenly divided by 1 2 4 5 10 13 20 26 52 65 130 169 260 338 509 676 845 1,018 1,690 2,036 2,545 3,380 5,090 6,617 10,180 13,234 26,468 33,085 66,170 86,021 132,340 172,042 344,084 430,105 860,210 and 1,720,420, with no remainder.
Since 1,720,420 cannot be divided by just 1 and 1,720,420, it is a composite number.