It doesn't matter what method you use, you need at least two numbers to find a GCF.
use division by primes to find the gcf
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For example we have 2 Nos. 24 & 36 .GCF =24)36(124------------12)24(224----------------0So the last divisor is the GCF of 24 & 36 which is 12 . And the above method is called successive division.
you can use multiplication facts to find division facts by dividing your divisor and your quotient to find your answer.
The gcf is 3.
It doesn't matter what method you use, you need at least two numbers to find a GCF.
It works out as 17
It is 3 because 9/3 = 3 and 12/4 = 3
use division by primes to find the gcf
The GCF of 10 and 15 is 5.
The GCF is 1.
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The GCF of 27 and 30 is 3.
The GCF is 3.
155,3105,2The GCF is 5.The GCF of 10 and 15 is 5.
No matter what you use, you still need at least two numbers to find a GCF.