What is the greatest common multiple of 20 and 30?

What is the greatest common multiple of 20 and 30?

The GCF of 20 and 30 is 10.

What is the greatest common factor of 21 and?

What is the GCF of 21 and 21?

• Find the prime factorization of 21. 21 = 3 × 7.
• Find the prime factorization of 21. 21 = 3 × 7.
• Therefore, GCF = 3 × 7.
• GCF = 21.

What is the greatest common multiple of 22 and 30?

The GCF of 22 and 30 is 2.

What is the least common multiple of 20 and 30?

60
Answer: LCM of 20 and 30 is 60.

What is the greatest common multiple of 21 and 28?

7
Answer: GCF of 21 and 28 is 7.

What is the GCF of 30 and 30?

What is the GCF of 30 and 30? The GCF of 30 and 30 is 30.

What are the common factors of 22 and 30?

What is the Greatest Common Factor?

• Factors for 22: 1, 2, 11, and 22.
• Factors for 30: 1, 2, 3, 5, 6, 10, 15, and 30.

What is the least common multiple of three and eight?

24
Multiples of 3 are 3, 6, 9, 12, 15, 18, 21, 24… Multiples of 8 are 8, 16, 24, 32, 40… So the lowest common multiple of 3 and 8 is 24.

Which is the greatest common factor of 21 and 30?

Greatest Common Factor of 21 and 30. Greatest common factor (GCF) of 21 and 30 is 3. GCF(21,30) = 3.

What are the factors for 12, 21, and 30?

For 12, 21, and 30 those factors look like this: 1 Factors for 12: 1, 2, 3, 4, 6, and 12 2 Factors for 21: 1, 3, 7, and 21 3 Factors for 30: 1, 2, 3, 5, 6, 10, 15, and 30

What is the prime factor of 21 in exponential form?

Prime factors of 21 are 3, 7. Prime factorization of 21 in exponential form is: Prime factors of 30 are 2, 3, 5. Prime factorization of 30 in exponential form is:

How to find the least common number of multiples?

There are multiple ways to find a least common multiple. The most basic is simply using a “brute force” method that lists out each integer’s multiples. EX: Find LCM (18, 26) 18: 18, 36, 54, 72, 90, 108, 126, 144, 162, 180, 198, 216, 234. 26: 52, 78, 104, 130, 156, 182, 208, 234.