The factors of 40 are 1, 2, 4, 5, 8, 10, 20 and 40. These are the numbers that when multiplied together give the product of 40—1 x 40 = 40, 2 x 20 = 40, 4 x 10 = 40 and 5 x 8 = 40. More »

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Eight numbers are factors of 40, including 1, 2 and 4. Other factors of 40 are 5, 8, 10, 20 and 40. More »

The prime factors of 40 are 2 x 2 x 2 x 5. Prime factors are prime numbers, which are only divisible by 1 and themselves. The only even prime number is 2, and it is a factor of all even numbers. 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 »

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The factors of 49 are 1, 7 and 49. The factors of a given number are those numbers that divide into it evenly leaving no remainder. One and the number itself, 49 in this case, are always factors. More »

A four-term polynomial is most often factored by grouping, a process where terms that have common factors are grouped and factored separately. In some cases, separate factoring of the two groups may reveal another factor... More »