What is the HCF of 15 and 20?

What is the HCF of 15 and 20?

5
HCF of 15 and 20 by Prime Factorization As visible, 15 and 20 have only one common prime factor i.e. 5. Hence, the HCF of 15 and 20 is 5.

What is the highest factor of 15?

Factors of 15 are the list of integers that can be evenly divided into 15. It has a total of 4 factors of which 15 is the biggest factor and the positive factors of 15 are 1, 3, 5, and 15. The sum of all factors of 15 is 24 and its factors in Pairs are (1, 15) and (3, 5). What Are the Factors of 15?

What is the highest common factor for 20?

1
The prime factors of 20 are 2 x 2 x 5. 9 and 20 have no prime factors in common. The greatest common factor is 1.

What is the HCF of 15 and 20 and 25?

Hence 5 is the HCF (Highest Common Factor) of 15, 20 and 25.

What is the greatest common factor of 20 and 16?

4
Answer: GCF of 16 and 20 is 4.

What is the lowest common factor of 15 and 20?

60
Answer: LCM of 15 and 20 is 60.

How do you find the highest common factor?

The highest common factor (HCF) is found by finding all common factors of two numbers and selecting the largest one. For example, 8 and 12 have common factors of 1, 2 and 4. The highest common factor is 4.

What is the common factor of 20 and 25?

1 and 5
There are 2 common factors of 20 and 25, that are 1 and 5. Therefore, the greatest common factor of 20 and 25 is 5.

What is the highest common factor of 12 and 15?

3
The GCF of 12 and 15 is 3. To calculate the GCF (Greatest Common Factor) of 12 and 15, we need to factor each number (factors of 12 = 1, 2, 3, 4, 6, 12; factors of 15 = 1, 3, 5, 15) and choose the greatest factor that exactly divides both 12 and 15, i.e., 3.

What is the highest common factor of 12 18 and 20?

As you can see when you list out the factors of each number, 2 is the greatest number that 12, 18, and 20 divides into.

What is the LCM of 15 and 20?

The smallest number to appear on both lists is 60, so 60 is the least common multiple of 15 and 20.