Q: Is 1,358,640 a Composite Number?

Why is 1,358,640 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 1,358,640 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 27 30 34 36 37 40 45 48 51 54 60 68 72 74 80 85 90 102 108 111 120 135 136 144 148 153 170 180 185 204 216 222 240 255 270 272 296 306 333 340 360 370 408 432 444 459 510 540 555 592 612 629 666 680 720 740 765 816 888 918 999 1,020 1,080 1,110 1,224 1,258 1,332 1,360 1,480 1,530 1,665 1,776 1,836 1,887 1,998 2,040 2,160 2,220 2,295 2,448 2,516 2,664 2,960 3,060 3,145 3,330 3,672 3,774 3,996 4,080 4,440 4,590 4,995 5,032 5,328 5,661 6,120 6,290 6,660 7,344 7,548 7,992 8,880 9,180 9,435 9,990 10,064 11,322 12,240 12,580 13,320 15,096 15,984 16,983 18,360 18,870 19,980 22,644 25,160 26,640 28,305 30,192 33,966 36,720 37,740 39,960 45,288 50,320 56,610 67,932 75,480 79,920 84,915 90,576 113,220 135,864 150,960 169,830 226,440 271,728 339,660 452,880 679,320 and 1,358,640, with no remainder.

Since 1,358,640 cannot be divided by just 1 and 1,358,640, 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).