Q: Is 26,420,625 a Composite Number?

Why is 26,420,625 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 26,420,625 can be evenly divided by 1 3 5 7 9 11 15 21 25 33 35 45 55 61 63 75 77 99 105 125 165 175 183 225 231 275 305 315 375 385 427 495 525 549 625 671 693 825 875 915 1,125 1,155 1,281 1,375 1,525 1,575 1,875 1,925 2,013 2,135 2,475 2,625 2,745 3,355 3,465 3,843 4,125 4,375 4,575 4,697 5,625 5,775 6,039 6,405 6,875 7,625 7,875 9,625 10,065 10,675 12,375 13,125 13,725 14,091 16,775 17,325 19,215 20,625 22,875 23,485 28,875 30,195 32,025 38,125 39,375 42,273 48,125 50,325 53,375 61,875 68,625 70,455 83,875 86,625 96,075 114,375 117,425 144,375 150,975 160,125 211,365 251,625 266,875 343,125 352,275 419,375 433,125 480,375 587,125 754,875 800,625 1,056,825 1,258,125 1,761,375 2,401,875 2,935,625 3,774,375 5,284,125 8,806,875 and 26,420,625, with no remainder.

Since 26,420,625 cannot be divided by just 1 and 26,420,625, 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).