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The LCM MUST be a multiple of the HCF.

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โˆ™ 2011-05-06 20:53:30
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โˆ™ 2015-11-26 16:19:36

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Q: Can HCF and LCM of two numbers be 27 and 288?
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Can the HCF of two numbers be a factor of their LCM?

The HCF is always a factor of the LCM of two numbers. The HCF is a factor of both the numbers which are factors of their LCM. Thus the HCF is also a factor of the LCM of the two numbers.


The LCM of two numbers is twice their HCF?

5 and 10 lcm- 10 and hcf= 5


How would you explain the LCM of the two numbers is their product?

The LCM of two numbers is their product if and only if the two numbers are co prime, that is their HCF is 1. Otherwise their LCM in not their product, in fact, it is their product divided by their HCF.


If the product oftwo numbers is 810 if there HCF IS 9 FIND LCM?

if the product of two numbers is 810 if there hcf is 9 find Lcm


What numbers have a HCF of 3 and a LCM of 3?

Two or more numbers are needed to solve for HCF or LCM.


Can two numbers have 16 as their HCF and 380 as their LCM?

LCM = product/HCF so product = LCM/HCF in this case 380/16 which is 23.75, so the answer to your question is no.


How do you find sets of two numbers if HCF and LCM are known?

You cannot. The numbers 2 and 12 have hcf = 2 and LCM = 12 The numbers 4 and 6 also have hcf = 2 and LCM = 12 So if you just knew the hcf and LCM you would not know which of the two was the required pair.


Does the HCF of any two no is always a factor of their LCM?

If two numbers are expressed as ab and cb this is easier to work out. Assume that a and c have no common prime factors. Thus, the HCF of the two numbers will be b. The LCM is the two numbers multiplied by each other, divided by the HCF. So the LCM will be abc. b is a factor of abc, and so the HCF will always be a factor of their LCM.


What are the two numbers have an LCM of 18 and an hcf of 3?

18 and 3


Can two numbers have 20 as HCF and 535 as LCM?

HCF of 20 means the two numbers have common prime factors of 2, 2 and 5. However, LCM of 535 means that both of the numbers are odd. This cannot be the case if they have a prime factor of 2. Thus two numbers cannot have 20 as hcf and 535 as lcm.


If the HCF and LCM of two numbers are 17 and 102 respectively and the HCF and LCM of two other numbers are 68 and 476 respectively then find the sum of the HCF and LCM of these four numbers?

HCF of 17 and 68 is 17 ..( Lowest Prime factor ) LCM Of 102 and 476 is 7*2^2*3*17 which is 1428 .. ==> Sum of HCF and LCM are 1428+17= 1445 .


What do HCF and LCM stand for?

HCF means the highest common factor of two or more numbers. LCM means the lowest common multiple of two or more numbers.


Can two numbe215r have 20 as their HCF and 215 as their LCM?

No. If two numbers have an even factor in common, they are even numbers. Two even numbers will have an even LCM.


What is the relation between HCF and LCM?

Since the product of two numbers is equal to the product of their GCF and LCM, the GCF of two numbers is equal to their product divided by their LCM and their LCM is equal to their product divided by their GCF.


Which two numbers have an LCM of 60 and HCF of 5?

4


What is the Multiplication of HCF and LCM of two number?

The product of the GCF and LCM of a pair of numbers is equal to the product of the numbers.


The Product of two numbers is 1320 and their HCF is 6 Find the LCM of these two numbers?

220


What two numbers have a lcm of 30 and a HCF of 6?

Use GCF instead of HCF. 6 and 30 would be those numbers...


What is the relationship between HCF and LCM?

It's kind of an inverse relationship. The product of the GCF and LCM of two numbers is the same as the product of the original two numbers, so as the GCF increases, the LCM decreases and vice versa. LCM is divisable by HCF.


What is the LCM of two numbers that have no common factor greater than 1?

If the HCF (Highest Common Factor) of two numbers is 1, then the two numbers are relatively prime and their LCM is the product of the two numbers.


What two numbers have a LCM of 60 and a HCF of 5?

5 and 60 do.


What two numbers have a LCM of 12 and HCF of 2?

How about 4 and 6


What two numbers have a LCM of 20 and HCF of 2?

The answer is 4 and 10.


Two numbers have the LCM of 20 and a HCF of 2 What are they?

2 and 20


What two numbers have a lcm of 30 and a HCF of 3?

3 and 30