Q: Is 1,574,640 a Composite Number?

Why is 1,574,640 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 1,574,640 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 81 90 108 120 135 144 162 180 216 240 243 270 324 360 405 432 486 540 648 720 729 810 972 1,080 1,215 1,296 1,458 1,620 1,944 2,160 2,187 2,430 2,916 3,240 3,645 3,888 4,374 4,860 5,832 6,480 6,561 7,290 8,748 9,720 10,935 11,664 13,122 14,580 17,496 19,440 19,683 21,870 26,244 29,160 32,805 34,992 39,366 43,740 52,488 58,320 65,610 78,732 87,480 98,415 104,976 131,220 157,464 174,960 196,830 262,440 314,928 393,660 524,880 787,320 and 1,574,640, with no remainder.

Since 1,574,640 cannot be divided by just 1 and 1,574,640, 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).