Q: Is 25,264,640 a Composite Number?

Why is 25,264,640 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 25,264,640 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 71 80 128 139 142 160 256 278 284 320 355 512 556 568 640 695 710 1,112 1,136 1,280 1,390 1,420 2,224 2,272 2,560 2,780 2,840 4,448 4,544 5,560 5,680 8,896 9,088 9,869 11,120 11,360 17,792 18,176 19,738 22,240 22,720 35,584 36,352 39,476 44,480 45,440 49,345 71,168 78,952 88,960 90,880 98,690 157,904 177,920 181,760 197,380 315,808 355,840 394,760 631,616 789,520 1,263,232 1,579,040 2,526,464 3,158,080 5,052,928 6,316,160 12,632,320 and 25,264,640, with no remainder.

Since 25,264,640 cannot be divided by just 1 and 25,264,640, 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).