Q: Is 278,720 a Composite Number?
A: Yes, 278,720 is a composite number.
The number 278,720 can be evenly divided by 1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 67 80 104 130 134 160 208 260 268 320 335 416 520 536 670 832 871 1,040 1,072 1,340 1,742 2,080 2,144 2,680 3,484 4,160 4,288 4,355 5,360 6,968 8,710 10,720 13,936 17,420 21,440 27,872 34,840 55,744 69,680 139,360 and 278,720, with no remainder.
Since 278,720 cannot be divided by just 1 and 278,720, it is a composite number.