Greatest Common Factor of 765, 854, 21

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 765, 854, 21 by common division method
• Greatest Common Factor of 765, 854, 21 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 765

List of positive integer factors of 765 that divides 765 without a remainder.

1,3,5,9,15,17,45,51,85,153,255,765

Factors of 854

List of positive integer factors of 854 that divides 854 without a remainder.

1,2,7,14,61,122,427,854

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Greatest Common Factor

We found the factors 765,854,21 . The biggest common factor number is the GCF number.
So the greatest common factor 765,854,21 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 660, 500, 24
• GCF of 415, 133, 62
• GCF of 398, 690, 23
• GCF of 464, 652, 55
• GCF of 332, 545, 67

1. What is the GCF of 765, 854, 21?

Answer: GCF of 765, 854, 21 is 1.

2. How to Find the GCF of 765, 854, 21

Answer: Greatest Common Factor(GCF) of 765, 854, 21 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(765, 854, 21) = 1.