Answer: LCM of 21 and 28 is 84.

What is the GCF and LCM of 21 and 28?

Example 2: Find the GCF of 21 and 28, if their LCM is 84. Therefore, the greatest common factor of 21 and 28 is 7. Example 3: For two numbers, GCF = 7 and LCM = 84. If one number is 28, find the other number.

How do you find the LCM of 21?

Steps to find LCM
Find the prime factorization of 21. 21 = 3 × 7.Find the prime factorization of 21. 21 = 3 × 7.LCM = 3 × 7.LCM = 21.

What is the LCM of 60 and 150?

The LCM of 60 and 150 is 300.

What is the least common multiple of 12 and 30?

The LCM of 12 and 30 is 60. To find the LCM of 12 and 30, we need to find the multiples of 12 and 30 (multiples of 12 = 12, 24, 36, 48 . . . . 60; multiples of 30 = 30, 60, 90, 120) and choose the smallest multiple that is exactly divisible by 12 and 30, i.e., 60.

Whats the HCF of 21 and 28?

So the greatest common factor 21 and 28 is 7.

How do you solve for LCM?

Find the LCM using the prime factors method
Find the prime factorization of each number.Write each number as a product of primes, matching primes vertically when possible.Bring down the primes in each column.Multiply the factors to get the LCM.

What is the least common multiple of 28?

The LCM of 28 and 32 is 224. To find the least common multiple (LCM) of 28 and 32, we need to find the multiples of 28 and 32 (multiples of 28 = 28, 56, 84, 112 . . . .

What are the multiples of 28?

The first five multiples of 28 are 28, 56, 84, 112, and 140.

What is the LCM of 12 and 28?

Answer: LCM of 12 and 28 is 84.

Whats the LCM of 18 and 27?

What is the LCM of 18 and 27? Answer: LCM of 18 and 27 is 54.

What is the LCM of 72 and 120?

Answer: LCM of 72 and 120 is 360.

What is the LCM of 24 and 40?

The LCM of 24 and 40 is 120. To find the LCM (least common multiple) of 24 and 40, we need to find the multiples of 24 and 40 (multiples of 24 = 24, 48, 72, 96 . . . .

Whats the LCM of 40 and 50?

Answer: LCM of 40 and 50 is 200.

What is the lowest common multiple of 9 and 21?

Answer: LCM of 9 and 21 is 63.

What is the LCM of 14 and 21?

Answer: LCM of 14 and 21 is 42.

Which is the factor of 28?

The factors of 28 are 1, 2, 4, 7, 14, 28.

What are the factors of 21?

The factors of 21 are 1, 3, 7 and 21.

Factor pairs of the number 21 are the numbers that result in the original number multiplying them together. To find the factors of a number, 21, we can use the factorization method.

ncG1vNJzZmivp6x7or%2FKZp2oql2esaatjZympmecmLpuu8VmaWplkaOxbn6XZpqhnZOgeqrAjKisrWWYmr%2BmedahmK1lmah6tbTEZp6cnl2Wu6V5y5ykZqeWYn9yecCnm2ZqaGQ%3D