You need at least two numbers to find a GCF.
If that's 7 and 35, the GCF is 7.
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To find the highest common factor (HCF) of 735 and 945, we first need to factorize both numbers. The prime factors of 735 are 3 x 5 x 7 x 7, and the prime factors of 945 are 3 x 3 x 3 x 5 x 7. To find the HCF, we identify the common prime factors and multiply them together: 3 x 5 x 7 = 105. Therefore, the highest common factor of 735 and 945 is 105.
The Highest Common Factor is: 8
As a product of its prime factors: 3*5*7*7 = 735
There ain't no such animal! Highest goes with Common FACTORS; LEAST goes with Common Multiples.
The highest common factor 15