Q: Is 21,460,000 a Composite Number?

Why is 21,460,000 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 21,460,000 can be evenly divided by 1 2 4 5 8 10 16 20 25 29 32 37 40 50 58 74 80 100 116 125 145 148 160 185 200 232 250 290 296 370 400 464 500 580 592 625 725 740 800 925 928 1,000 1,073 1,160 1,184 1,250 1,450 1,480 1,850 2,000 2,146 2,320 2,500 2,900 2,960 3,625 3,700 4,000 4,292 4,625 4,640 5,000 5,365 5,800 5,920 7,250 7,400 8,584 9,250 10,000 10,730 11,600 14,500 14,800 17,168 18,125 18,500 20,000 21,460 23,125 23,200 26,825 29,000 29,600 34,336 36,250 37,000 42,920 46,250 53,650 58,000 72,500 74,000 85,840 92,500 107,300 116,000 134,125 145,000 148,000 171,680 185,000 214,600 268,250 290,000 370,000 429,200 536,500 580,000 670,625 740,000 858,400 1,073,000 1,341,250 2,146,000 2,682,500 4,292,000 5,365,000 10,730,000 and 21,460,000, with no remainder.

Since 21,460,000 cannot be divided by just 1 and 21,460,000, 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).