Q: Is 15,423,120 a Composite Number?

Why is 15,423,120 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 15,423,120 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 31 36 40 45 48 60 62 72 80 90 93 120 124 144 155 180 186 240 248 279 310 360 372 465 496 558 620 691 720 744 930 1,116 1,240 1,382 1,395 1,488 1,860 2,073 2,232 2,480 2,764 2,790 3,455 3,720 4,146 4,464 5,528 5,580 6,219 6,910 7,440 8,292 10,365 11,056 11,160 12,438 13,820 16,584 20,730 21,421 22,320 24,876 27,640 31,095 33,168 41,460 42,842 49,752 55,280 62,190 64,263 82,920 85,684 99,504 107,105 124,380 128,526 165,840 171,368 192,789 214,210 248,760 257,052 321,315 342,736 385,578 428,420 497,520 514,104 642,630 771,156 856,840 963,945 1,028,208 1,285,260 1,542,312 1,713,680 1,927,890 2,570,520 3,084,624 3,855,780 5,141,040 7,711,560 and 15,423,120, with no remainder.

Since 15,423,120 cannot be divided by just 1 and 15,423,120, 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).