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The factor tree finds the prime factorizations The prime factorizations find the GCF and LCM.
Example 30 and 42:
30
15,2
5,3,2
42
21,2
7,3,2
2 x 3 x 5 = 30
2 x 3 x 7 = 42
Select the common factors.
2 x 3 = 6, the GCF
Combine the factors, eliminating duplicates.
2 x 3 x 5 x 7 = 210, the LCM
Check it.
30 x 42 = 1260
210 x 6 = 1260
It checks.
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If b is a factor of a find HCF of a and b?
b
Find HCF of 260 and 560?
HCF is the highest common factor of two or more numbers. HCf of 260 and 560 is 20.
What is the highest common factor of 30.210 and 700?
It is: 10 that is the HCF of 30, 210 and 700
What is the HCF of 99?
The HCF of 99 is 99. But it's a factor as opposed to a common factor because there's only one number.
What is the HCF 60?
The HCF of 60 is 60. But it's a factor as opposed to a common factor because there's only one number.
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.
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!
If b is a factor of a find HCF of a and b?
b
What is Highest common factor (HCF) of 27?
Two or more numbers are needed to find their HCF
Find the HCF of 168 and 264?
The HCF (highest common factor) of 168 and 264 is 24
Find HCF of 260 and 560?
HCF is the highest common factor of two or more numbers. HCf of 260 and 560 is 20.
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.
How do you find the quotient in simplest form?
Find the Highest Common Factor (HCF) of the numerator and denominator of the fraction. Divide both by their HCF and you will have the fraction in its simplest form.
What is the HCF of 27 and 63?
A single number cannot have a common factor.
What is the highest common factor of 30.210 and 700?
It is: 10 that is the HCF of 30, 210 and 700
How do you put the 40 over 100 in simplest form?
Find a common factor of the numerator and denominator and divide both by that common factor. Repeat with the resulting numerator and denominator until the common factor is 1. Alternatively, find the highest common factor (HCF) and divide both by the HCF.
What is the highest common factor of 65143156?
Two or more numbers are needed to find the HCF
