105.
1050 = 2 x 3 x 52 x 7
735 = 3 x 5 x 72
hcf = 3 x 5 x 7 = 105
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What is the greatest common factor of 525 and 735
Obtain the prime factors of both numbers. 450 = 2 x 3 x 3 x 5 x 5 735 = 3 x 5 x 7 x 7 The factors common to both numbers are 3 and 5. The GCF is 3 x 5 = 15
The gcf is 105
Since 84 is a factor of 420, it is automatically the GCF.
The greatest common factor (GCF) is often also called the greatest common divisor (GCD) or highest common factor (HCF). Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers.The greatest common factor of 2415 and 4550 is 35