Q: Is 2,564,240 a Composite Number?

Why is 2,564,240 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 2,564,240 can be evenly divided by 1 2 4 5 7 8 10 14 16 19 20 28 35 38 40 56 70 76 80 95 112 133 140 152 190 241 266 280 304 380 482 532 560 665 760 964 1,064 1,205 1,330 1,520 1,687 1,928 2,128 2,410 2,660 3,374 3,856 4,579 4,820 5,320 6,748 8,435 9,158 9,640 10,640 13,496 16,870 18,316 19,280 22,895 26,992 32,053 33,740 36,632 45,790 64,106 67,480 73,264 91,580 128,212 134,960 160,265 183,160 256,424 320,530 366,320 512,848 641,060 1,282,120 and 2,564,240, with no remainder.

Since 2,564,240 cannot be divided by just 1 and 2,564,240, 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).