Q: Is 5,261,250 a Composite Number?

Why is 5,261,250 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 5,261,250 can be evenly divided by 1 2 3 5 6 10 15 23 25 30 46 50 61 69 75 115 122 125 138 150 183 230 250 305 345 366 375 575 610 625 690 750 915 1,150 1,250 1,403 1,525 1,725 1,830 1,875 2,806 2,875 3,050 3,450 3,750 4,209 4,575 5,750 7,015 7,625 8,418 8,625 9,150 14,030 14,375 15,250 17,250 21,045 22,875 28,750 35,075 38,125 42,090 43,125 45,750 70,150 76,250 86,250 105,225 114,375 175,375 210,450 228,750 350,750 526,125 876,875 1,052,250 1,753,750 2,630,625 and 5,261,250, with no remainder.

Since 5,261,250 cannot be divided by just 1 and 5,261,250, 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).