Q: Is 31,307,250 a Composite Number?

Why is 31,307,250 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 31,307,250 can be evenly divided by 1 2 3 5 6 10 13 15 19 25 26 30 38 39 50 57 65 75 78 95 114 125 130 150 169 190 195 247 250 285 325 338 375 390 475 494 507 570 650 741 750 845 950 975 1,014 1,235 1,425 1,482 1,625 1,690 1,950 2,197 2,375 2,470 2,535 2,850 3,211 3,250 3,705 4,225 4,394 4,750 4,875 5,070 6,175 6,422 6,591 7,125 7,410 8,450 9,633 9,750 10,985 12,350 12,675 13,182 14,250 16,055 18,525 19,266 21,125 21,970 25,350 30,875 32,110 32,955 37,050 41,743 42,250 48,165 54,925 61,750 63,375 65,910 80,275 83,486 92,625 96,330 109,850 125,229 126,750 160,550 164,775 185,250 208,715 240,825 250,458 274,625 329,550 401,375 417,430 481,650 549,250 626,145 802,750 823,875 1,043,575 1,204,125 1,252,290 1,647,750 2,087,150 2,408,250 3,130,725 5,217,875 6,261,450 10,435,750 15,653,625 and 31,307,250, with no remainder.

Since 31,307,250 cannot be divided by just 1 and 31,307,250, 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).