0
the greatest common factor is 7,
because 21 divided by 7 is 3,
28 divided by 7 is 4
and 56 divided by 7 is 8.
Add your answer:
Earn +20 pts
Common factors of 42 and 28?
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.
Calculate the HCF of 28 and 14 and 21?
To calculate the Highest Common Factor (HCF) of 28, 14, and 21, we first find the factors of each number: Factors of 28 are 1, 2, 4, 7, 14, and 28. Factors of 14 are 1, 2, 7, and 14. Factors of 21 are 1, 3, 7, and 21. The common factors among all three numbers are 1 and 7. Therefore, the HCF of 28, 14, and 21 is 7.
What are the common factors of 28 and 42?
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
What is the common factors of 28 and 42?
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
Common factors of 28 and 84?
The common factors of 28 and 84 are 1,2,4,7,14 and 28
What are the common factors of 21 28?
1 and 7
What are the greatest common factors for 21 and 28?
7
What are the common factors of 21 28 and 63?
1 and 7
What are the common factors of 21 and 28 and 32?
Just 1.
Do 28 and 21 have the same factors?
They have 1 and 7 in common, but no, they don't have the same factors.
What are the common factors of 14 21 and 28?
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
What is the LCM of 28 and 21?
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
What ARE THE common factors and greatest common factors of 21 and 28?
The common factors are 1 and 7. The GCF is 7.
What is the common factor of 21 and 28?
The GCF is 7.
Highest common factors of 28 and 21 of the pair?
The GCF is 7.
What are the common numbers of 1 2 4 7 14 28?
Those are the factors of 28. For them to be common, they need to be compared to another set of factors.
What are common factors of 21 and28?
The factors of 21 are: 1, 3, 7, 21The factors of 28 are: 1, 2, 4, 7, 14, 28The common factors are: 1, 7
