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One way is to list the factors.
Example: 30 and 42
The factors of 30 are:
1, 2, 3, 5, 6, 10, 15, 30
The factors of 42 are:
1, 2, 3, 6, 7, 14, 21, 42
The common factors are:
1, 2, 3, 6
The Greatest Common Factor:
GCF = 6
Another way is to factor them.
2 x 3 x 5 = 30
2 x 3 x 7 = 42
Select the common factors.
2 x 3 = 6, the GCF
What else can I help you with?
Can you find the HCF of 3 numbers using euclids division lemma?
Yes.First find the HCF of two of the numbers, then find the HCF of that answer and the third number.In this way you could find the HCF of as many numbers as you want.
Find the hcf of 84 154 and 158?
It is: 2
What is the hcf of 420?
The GCF is 70.
Find the HCF of the following numbers 39 and 104?
The GCF is 13.
What is the hcf of 165?
You need at least two numbers to find a GCF.
What is the HCF of 119753204389?
Two or more numbers are needed to find the HCF
What is the hcf for 24?
You need at least two numbers to find an HCF.
Hcf of 8498168?
Two or more numbers are needed in order to find the HCF
What is the HCF of 220 and 88?
It is: 44
Can you find the HCF of 3 numbers using euclids division lemma?
Yes.First find the HCF of two of the numbers, then find the HCF of that answer and the third number.In this way you could find the HCF of as many numbers as you want.
What is the hcf value of 5?
Two or more numbers are normally needed to find the HCF of them.
What is Highest common factor (HCF) of 27?
Two or more numbers are needed to find their HCF
Find HCF of 260 and 560?
HCF is the highest common factor of two or more numbers. HCf of 260 and 560 is 20.
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
Why do you factor numbers in algebra?
to find a factor of a number you have to 1. find the hcf (highest common factor) 2. find how many times the hcf goes into your number AND THAT IS YOUR ANSWER!
The product of two number is 20736 and their HCF is 54 find the LCM?
LCM = Product/HCF = 384
Find the HCF of 96 and 108?
Its is 12
