The factors of 21 are 1, 3, 7 and 21. A factor is a number that can divide evenly into a given number. Because 21 can be divided by numbers other than itself and 1, it is called a composite number. More »

The factors that led to globalization in the 21st century include the Internet, improvements in transportation, freedom of trade, availability of labor, democracy and popular culture. Globalization results from the integ... More »

The number 21 is not a prime number. Prime numbers are numbers greater than one that are evenly divisible by only 1 and themselves. As the number 21 has multiple factors, including 1, 21, 3 and 7, it does not meet the de... More »

The prime factors of 144 are 2 x 2 x 2 x 2 x 3 x 3. The numbers 2 and 3 are prime numbers and the product of four 2’s and two 3’s is 144. More »

The factors of 31 are 31,1,-1, and -31. For any number, x, the factors are the set of numbers that can be multiplied by another number to equal x. More »

The factors of 78 are 1, 2, 3, 6, 13, 26, 39 and 78. The factors of a number are found by breaking the number down into all the combinations of positive integers that can be combined through multiplication to form the nu... More »

To factor a trinomial in the form ax^2 + bx + c, find all of the factor pairs that multiply into c, and isolate the pair that also adds up to form b. Substitute the pairs of factors into a pair of binomials that multiply... More »