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What are the common factors of 30 and 42?
The common factors of 30 and 42 are 1, 2, 3 and 6
What is the greatest common factor of 30 42 and 78?
For Greatest Common Factors to exist, there need to be two or more numbers to compare.
How you find the common factors and the greatest common factors of two number?
Example: 30 and 42 Factor them. 2 x 3 x 5 = 30 2 x 3 x 7 = 42 Select the common factors. 2 x 3 = 6, the GCF
How do you you work out the common factor?
All numbers have factors. Some numbers have some of the same factors as other numbers. These are known as common factors. If you compare the lists of factors, you will see which ones are common.Example: 30 and 421, 2, 3, 5, 6, 10, 15, 301, 2, 3, 6, 7, 14, 21, 42The common factors are 1, 2, 3, 6
What is the greatest common factor of 18 and 30 and 42?
The GCF is 6.The factors of 18 are 1, 2, 3, 6, 9, and 18.The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30.The factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42.The common factors of 18, 30, and 42 ... the numbers that appear on all three lists ...are 1, 2, 3, and 6.The greatest one of them is 6 .
