Factor pairs are two numbers that, when multiplied together, equal another number, or product. For instance, one and 12, two and 6, and three and four are the three factor pairs for the number 12.
The order of the numbers in the pair does not matter. The factor pair three and four is the same as four and three. When the product is divided by one member of the factor pair, the answer is always the other member. For a number under 50, finding its factor pairs is relatively simple. For each number, one is partnered with the number itself in a factor pair. Next, two is tried to see if it divides evenly into the number. Finally, three is tried and all subsequent numbers are systematically tried until all the factor pairs have been identified.
1 and 1980, 2 and 990, 3 and 660, 4 and 495, 5 and 396, 6 and 330, 9 and 220, 10 and 198, 11 and 180, 12 and 165, 15 and 132, 18 and 110, 20 and 99, 22 and 90, 30 and 66, 33 and 60,
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Factor pairs of 15 are: 1x15=15 and 3x5=15. 1, 3, 5, and 15 are the factors of 15.
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Factor Pairs are any two numbers being multiplied to give you a certain number. IE: Factor Pairs of 16. 8x2. 4x4. 16x1.
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There are 9 factor pairs of 450: 450 = 1 x 450. 450 = 2 x 225. 450 = 3 x 150. 450 = 5 x 90. 450 = 6 x 75. 450 = 9 x 50. 450 = 10 x 45. 450 = 15 x 30. 450 = 18 x 25.
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