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# What is the HCF of 2 and 4?

# What 2 numbers have a HCF of 6 and an LCM of 72 and how?

In these types of problems, the numbers can also be the answer. 6 and 72 have a GCF of 6 and an LCM of 72. Since the product of the GCF and LCM of two numbers is the same …as the product of the numbers, you could also use another factor pair of 432, like 18 and 24.

# What two positive numbers have a HCF of 2 and a LCM of 30?

In order to have a LCM of 30, the two numbers must only have unique primes that multiply to give 30. 30 is the product of 2, 3 and 5. To have an HCF of 2, the two numbers …must only share a factor of 2. Thus the factors of one must be 2 and 3, and the factors of the other must be 2 and 5: 2x3 = 6 2x5 = 10 Therefore the two numbers with an HCF of 2 and an LCM of 30 are 6 and 10. or 2 and 30

# What is the HCF of 4 and 9?

The HCF is 1.

# Is the HCF of 140 and 210 2?

No. The prime factors of 140 are 2,2,5 and 7 The prime factors of 210 are 2,3,5 and 7 The common prime factors are 2,5 and 7 Thus the HCF is 2x5x7, or 70.

# What is the HCF of 4 and 5?

The HCF of 4 and 5 is 1.

# Which 2 numbers have a HCF of 11?

11 and 22, among others.

# What is the HCF of 2 and 0?

2 and 0 do not have a Highest Common Factor. This is because no number goes into 0.

# What is the HCF of 4 and 10?

The GCF is 2.

# What are the numbers that have an LCM of 24 and an HCF of 2?

2 and 24 6 and 8

# What is the hcf of 4?

You need at least two numbers to find an HCF.

# What 2 numbers have LCM of 20 and HCF of 2?

2 and 20 have an HCF of 2 and an LCM of 20. You could also use 4 and 10.

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# What is the HCF of 2 and 6?

The GCF is 2.

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# What is the HCF of 4 and 6?

It is 2

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# Can two numbers have 4 as their HCF and 48 as their LCM?

4 and 48 can. So can 12 and 16.

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# What is the HCF of 4 and 20?

The GCF is 4.

Answered

# What is the HCF of 2 co-prime numbers?

The GCF is 1.