What is the HCF of 12 15 and 45?

Question 4) Find the Highest Common Factor (H.C.F.) of 12,15 and 45. Now, let’s find the Highest Common Factor of 3 and 45. Therefore, the Highest Common Factor of the numbers 12,15 and 45 is 3.

What is the HCF of 10 12 and 15?

Hence, HCF = 1.

How is HCF calculated?

The highest common factor is found by multiplying all the factors which appear in both lists: So the HCF of 60 and 72 is 2 × 2 × 3 which is 12. The lowest common multiple is found by multiplying all the factors which appear in either list: So the LCM of 60 and 72 is 2 × 2 × 2 × 3 × 3 × 5 which is 360.

How do you find the HCF of two numbers?

HCF of two numbers by Division Method

First, divide the large number by a small number.
If the remainder is left, then divide the first divisor by remainder.
If the remainder divides the first divisor completely, then it is the HCF or highest common factor of the given two numbers.

What is the HCF of 12?

Factors of 12 = 1, 2, 3, 4, 6 and 12. Factors of 18 = 1, 2, 3, 6, 9 and 18. Therefore, common factor of 12 and 18 = 1, 2, 3 and 6. Highest common factor (H.C.F) of 12 and 18 = 6 [since 6 is the highest common factor].

What is the HCF of 10 and 15?

Answer: HCF of 10 and 15 is 5.

What is the HCF of 10 and 12?

2
HCF of 10 and 12 by Prime Factorization As visible, 10 and 12 have only one common prime factor i.e. 2. Hence, the HCF of 10 and 12 is 2.

What is HCF example?

HCF : The largest number that divides two or more numbers is the highest common factor (HCF) for those numbers. For example, consider the numbers 30 (2 x 3 x 5), 36 (2 x 2 x 3 x 3), 42 (2 x 3 x 7), 45 (3 x 3 x 5). 3 is the largest number that divides each of these numbers, and hence, is the HCF for these numbers.

What is the HCF of 2 and 4?

HCF of 2 and 4 by Prime Factorization As visible, 2 and 4 have only one common prime factor i.e. 2. Hence, the HCF of 2 and 4 is 2.

What is the HCF of 45, 30 15?

45 = 3 × 3 × 5. 30 = 2 × 3 × 5. 15 = 3 × 5. Now identify the common factors and determine the GCF: 45 = 3 × 3 × 5. 30 = 2 × 3 × 5. 15 = 3 × 5. Therefore: HCF = 3 ×5 = 15.

How to find the GCF of 12 and 45?

The first step to find the gcf of 12 and 45 is to list the factors of each number. The factors of 12 are 1, 2, 3, 4, 6 and 12. The factors of 45 are 1, 3, 5, 9, 15 and 45. So, the Greatest Common Factor for these numbers is 3 because it divides all them without a remainder.

What is the HCF for 12 and 15?

The HCF of 12 and 60 is 12 What is the HCF and LCM of 12 and 15 and 24? The GCF is 3. The LCM is 120. What is the HCF of 40 and 12? The HCF of 40 & 12 is… 4 What is the hcf and lcm of 5 and 15? hcf(5, 15) = 5 lcm(5, 15) = 15.