Q: Is 747,438,615 a Composite Number?

Why is 747,438,615 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 747,438,615 can be evenly divided by 1 3 5 7 9 11 15 21 33 35 45 55 63 77 99 105 109 165 231 315 327 385 495 545 693 763 981 1,155 1,199 1,635 1,979 2,289 3,465 3,597 3,815 4,905 5,937 5,995 6,867 8,393 9,895 10,791 11,445 13,853 17,811 17,985 21,769 25,179 29,685 34,335 41,559 41,965 53,955 65,307 69,265 75,537 89,055 108,845 124,677 125,895 152,383 195,921 207,795 215,711 326,535 377,685 457,149 623,385 647,133 761,915 979,605 1,078,555 1,371,447 1,509,977 1,941,399 2,285,745 2,372,821 3,235,665 4,529,931 6,857,235 7,118,463 7,549,885 9,706,995 11,864,105 13,589,793 16,609,747 21,355,389 22,649,655 35,592,315 49,829,241 67,948,965 83,048,735 106,776,945 149,487,723 249,146,205 and 747,438,615, with no remainder.

Since 747,438,615 cannot be divided by just 1 and 747,438,615, 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).