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## What are the multiples of 20?

The multiples of 20 are 20, 40, 60, 80, 100, 120, 140 and so on.

## What are the factors of 20?

Factors of 20

• Factors of 20: 1, 2, 4, 5, 10 and 20.
• Negative Factors of 20: -1, -2, -4, -5, -10 and -20.
• Prime Factors of 20: 2, 5.
• Prime Factorization of 20: 2 × 2 × 5 = 22 × 5.
• Sum of Factors of 20: 42.

## What are the factors of 2 and 20?

What is the GCF of 2 and 20

• The factors of 2 are 2, 1.
• The factors of 20 are 20, 10, 5, 4, 2, 1.
• The common factors of 2 and 20 are 2, 1, intersecting the two sets above.
• In the intersection factors of 2 ∩ factors of 20 the greatest element is 2.
• Therefore, the greatest common factor of 2 and 20 is 2.

## What is the greatest common factor for 2 20?

Greatest common factor (GCF) of 2 and 20 is 2.

5

## What are the factors for 15 and 20?

The gcf of 15 and 20 can be obtained like this: The factors of 15 are 15, 5, 3, 1. The factors of 20 are 20, 10, 5, 4, 2, 1. The common factors of 15 and 20 are 5, 1, intersecting the two sets above.

4

## What is the GCF of 18 and 36?

Answer: GCF of 18 and 36 is 18.

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2

3

## What is the HCF of 27 and 30?

The factors of 27 are 1, 3, 9 and 27. The factors of 30 are 1, 2, 3, 5, 6, 10, 15 and 30. So, the Greatest Common Factor for these numbers is 3 because it divides all them without a remainder. Read more about Common Factors below.

## What is the HCF of 30&42?

The common factor in 70, 105 and 175 are 5, 7. The common factors of 91, 112, and 49 are 7. therefore, HCF of 91, 112 and 49 are 7.

## What is the HCF of 20 and 30?

Final Step: Biggest Common Factor Number The biggest common factor number is the GCF number. So the greatest common factor 20 and 30 is 10.

12

## What is the HCF of 36 and 84?

23. Find the highest common factor of 36 and 84. H.C.F. = 22 x 3 = 12.

## What is HCF formula?

L.C.M and HCF Important Formulas H.C.F. of a given number always divides its L.C.M. To find the greatest number that will exactly divide x, y and z. Required number = HCF of x, y and z. To find the Largest number that will divide x, y and z leaving remainders a, b and c respectively.

## What is the HCF of 12 and 42?

Highest common factor (HCF) of 12, 42 is 6.

## What is the LCM and HCF of 24 36 and 40?

LCM of 24 , 36 and 40 = 2 × 2 ×2 × 3 × 3 × 5 = 360.

2019-06-01