Q: Is 1,531,400 a Composite Number?

Why is 1,531,400 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 1,531,400 can be evenly divided by 1 2 4 5 8 10 13 19 20 25 26 31 38 40 50 52 62 65 76 95 100 104 124 130 152 155 190 200 247 248 260 310 325 380 403 475 494 520 589 620 650 760 775 806 950 988 1,178 1,235 1,240 1,300 1,550 1,612 1,900 1,976 2,015 2,356 2,470 2,600 2,945 3,100 3,224 3,800 4,030 4,712 4,940 5,890 6,175 6,200 7,657 8,060 9,880 10,075 11,780 12,350 14,725 15,314 16,120 20,150 23,560 24,700 29,450 30,628 38,285 40,300 49,400 58,900 61,256 76,570 80,600 117,800 153,140 191,425 306,280 382,850 765,700 and 1,531,400, with no remainder.

Since 1,531,400 cannot be divided by just 1 and 1,531,400, 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).