Q: Is 3,165,720 a Composite Number?

Why is 3,165,720 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 3,165,720 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 23 24 30 31 37 40 46 60 62 69 74 92 93 111 115 120 124 138 148 155 184 185 186 222 230 248 276 296 310 345 370 372 444 460 465 552 555 620 690 713 740 744 851 888 920 930 1,110 1,147 1,240 1,380 1,426 1,480 1,702 1,860 2,139 2,220 2,294 2,553 2,760 2,852 3,404 3,441 3,565 3,720 4,255 4,278 4,440 4,588 5,106 5,704 5,735 6,808 6,882 7,130 8,510 8,556 9,176 10,212 10,695 11,470 12,765 13,764 14,260 17,020 17,112 17,205 20,424 21,390 22,940 25,530 26,381 27,528 28,520 34,040 34,410 42,780 45,880 51,060 52,762 68,820 79,143 85,560 102,120 105,524 131,905 137,640 158,286 211,048 263,810 316,572 395,715 527,620 633,144 791,430 1,055,240 1,582,860 and 3,165,720, with no remainder.

Since 3,165,720 cannot be divided by just 1 and 3,165,720, 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).