What is the GCF and LCM of 28 and 21?

LCM of 21 and 28 is the smallest number among all common multiples of 21 and 28. The first few multiples of 21 and 28 are (21, 42, 63, 84, 105, 126, . . . ) and (28, 56, 84, 112, 140, . . . )…LCM of 21 and 28.

1.	LCM of 21 and 28
3.	Solved Examples
4.	FAQs

What is the GCF of 28?

GCF of 28 and 32 is the largest possible number that divides 28 and 32 exactly without any remainder. The factors of 28 and 32 are 1, 2, 4, 7, 14, 28 and 1, 2, 4, 8, 16, 32 respectively….GCF of 28 and 32.

1.	GCF of 28 and 32
2.	List of Methods
3.	Solved Examples
4.	FAQs

What are all greatest common factors of 21?

Factors of 21 are integers that can be divided evenly into 21. It has a total of 4 factors of which 21 is the biggest factor and the positive factors of 21 are 1, 3, 7, and 21.

What’s the greatest common factor of 21 and 10?

1
What is GCF of 21 and 10? Answer: GCF of 21 and 10 is 1. Explanation: The GCF of two non-zero integers, x(21) and y(10), is the greatest positive integer m(1) that divides both x(21) and y(10) without any remainder.

What is the greatest common factor GCF of 21 and 27?

As you can see when you list out the factors of each number, 3 is the greatest number that 21 and 27 divides into.

What is the factor of 28?

The factors of 28 are 1, 2, 4, 7, 14, 28 and its negative factors are -1, -2, -4, -7, -14, -28.

What is the greatest common factor and distributive property?

Use the distributive property to express the sum as the multiple of a sum of two whole numbers with no common factor. Explanation: The distributive property can be used to rewrite an expression. When we use this property we will identify and pull out the greatest common factor of each of the addends.

What is the GCF of 20 and 28?

Factors of 20 are 1, 2, 4, 5, 10, 20. Factors of 28 are 1, 2, 4, 7, 14, 28. So, the factors which are common to both of the given numbers are 1, 2, and 4. Therefore, the common factors are 1, 2, and 4.

What is an example of greatest common factor?

The greatest common factor (GCF) of a set of numbers is the largest factor that all the numbers share. For example, 12, 20, and 24 have two common factors: 2 and 4. The largest is 4, so we say that the GCF of 12, 20, and 24 is 4.