Q: Is 1,397,250 a Composite Number?

Why is 1,397,250 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 1,397,250 can be evenly divided by 1 2 3 5 6 9 10 15 18 23 25 27 30 45 46 50 54 69 75 81 90 115 125 135 138 150 162 207 225 230 243 250 270 345 375 405 414 450 486 575 621 675 690 750 810 1,035 1,125 1,150 1,215 1,242 1,350 1,725 1,863 2,025 2,070 2,250 2,430 2,875 3,105 3,375 3,450 3,726 4,050 5,175 5,589 5,750 6,075 6,210 6,750 8,625 9,315 10,125 10,350 11,178 12,150 15,525 17,250 18,630 20,250 25,875 27,945 30,375 31,050 46,575 51,750 55,890 60,750 77,625 93,150 139,725 155,250 232,875 279,450 465,750 698,625 and 1,397,250, with no remainder.

Since 1,397,250 cannot be divided by just 1 and 1,397,250, 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).