Q: Is 142,640 a Composite Number?
A: Yes, 142,640 is a composite number.
The number 142,640 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 1,783 3,566 7,132 8,915 14,264 17,830 28,528 35,660 71,320 and 142,640, with no remainder.
Since 142,640 cannot be divided by just 1 and 142,640, it is a composite number.