Factors are numbers you can multiply together to get another number. Common factors are the factors two or more numbers have in common. 28: 1, 2, 4, 7, 14, 28 42: 1, 2, 3, 6, 7, 14, 21, 42 The common factors of 28 and 42 are 1, 2, 7 and 14.
The common factors of 28 and 42 are: 1, 2, 7, and 14The factors of 28 are:1, 2, 4, 7, 14, 28The factors of 42 are:1, 2, 3, 6, 7, 14, 21, 42The common factors are: 1, 2, 7, 14
The factors of 28 are: 1, 2, 4, 7, 14, 28.The factors of 42 are: 1, 2, 3, 6, 7, 14, 21, 42.The common factors are: 1, 2, 7, 14
The common factors of 28 and 84 are 1,2,4,7,14 and 28
The common factors of 28 and 84 are 1,2,4,7,14 and 28.
1 and 7
7
1 and 7
Just 1.
They have 1 and 7 in common, but no, they don't have the same factors.
The factors of 14 are:1, 2, 7, 14The factors of 21 are:1, 3, 7, 21The factors of 28 are:1, 2, 4, 7, 14, 28The common factors are:1, 7
To determine the least common multiple of two numbers, determine the prime factors of both number. Then, determine the prime factors they have in common. Multiply all their prime factors together (in other words, multiply both numbers together) and divide by the prime factors they have in common (in other words, their greatest common factor). The prime factors of 21 are 3 and 7. The prime factors of 28 are 2, 2, and 7. The prime factors in common are a single 7. Therefore, the lowest common multiple is 21 x 28 ÷ 7 = 84
The common factors are 1 and 7. The GCF is 7.
The GCF is 7.
The GCF is 7.
Those are the factors of 28. For them to be common, they need to be compared to another set of factors.
The factors of 21 are: 1, 3, 7, 21The factors of 28 are: 1, 2, 4, 7, 14, 28The common factors are: 1, 7