Q: Is 478,640 a Composite Number?
A: Yes, 478,640 is a composite number.
The number 478,640 can be evenly divided by 1 2 4 5 8 10 16 20 31 40 62 80 124 155 193 248 310 386 496 620 772 965 1,240 1,544 1,930 2,480 3,088 3,860 5,983 7,720 11,966 15,440 23,932 29,915 47,864 59,830 95,728 119,660 239,320 and 478,640, with no remainder.
Since 478,640 cannot be divided by just 1 and 478,640, it is a composite number.