Q: Is 6,378,720 a Composite Number?

Why is 6,378,720 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 6,378,720 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 97 120 137 160 194 240 274 291 388 411 480 485 548 582 685 776 822 970 1,096 1,164 1,370 1,455 1,552 1,644 1,940 2,055 2,192 2,328 2,740 2,910 3,104 3,288 3,880 4,110 4,384 4,656 5,480 5,820 6,576 7,760 8,220 9,312 10,960 11,640 13,152 13,289 15,520 16,440 21,920 23,280 26,578 32,880 39,867 46,560 53,156 65,760 66,445 79,734 106,312 132,890 159,468 199,335 212,624 265,780 318,936 398,670 425,248 531,560 637,872 797,340 1,063,120 1,275,744 1,594,680 2,126,240 3,189,360 and 6,378,720, with no remainder.

Since 6,378,720 cannot be divided by just 1 and 6,378,720, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).