Greatest Common Factor of 53, 21, 64, 765

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

• Greatest Common Factor of 53, 21, 64, 765 by common division method
• Greatest Common Factor of 53, 21, 64, 765 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 53

List of positive integer factors of 53 that divides 53 without a remainder.

1,53

Factors of 21

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

1,3,7,21

Factors of 64

List of positive integer factors of 64 that divides 64 without a remainder.

1,2,4,8,16,32,64

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

Greatest Common Factor

We found the factors 53,21,64,765 . The biggest common factor number is the GCF number.
So the greatest common factor 53,21,64,765 is 1.

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

• GCF of 90, 33, 31, 934
• GCF of 45, 92, 82, 563
• GCF of 94, 31, 53, 395
• GCF of 53, 49, 31, 993
• GCF of 41, 66, 96, 859

1. What is the GCF of 53, 21, 64, 765?

Answer: GCF of 53, 21, 64, 765 is 1.

2. How to Find the GCF of 53, 21, 64, 765

Answer: Greatest Common Factor(GCF) of 53, 21, 64, 765 = 1

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

Step 2: Then multiply all the prime factors GCF(53, 21, 64, 765) = 1.