Greatest Common Factor of 64, 66, 75, 770

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

• Greatest Common Factor of 64, 66, 75, 770 by common division method
• Greatest Common Factor of 64, 66, 75, 770 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 64

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

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

Factors of 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

Factors of 75

List of positive integer factors of 75 that divides 75 without a remainder.

1,3,5,15,25,75

Factors of 770

List of positive integer factors of 770 that divides 770 without a remainder.

1,2,5,7,10,11,14,22,35,55,70,77,110,154,385,770

Greatest Common Factor

We found the factors 64,66,75,770 . The biggest common factor number is the GCF number.
So the greatest common factor 64,66,75,770 is 1.

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

• GCF of 62, 85, 28, 401
• GCF of 49, 88, 19, 341
• GCF of 42, 47, 91, 576
• GCF of 71, 12, 32, 676
• GCF of 12, 71, 38, 456

1. What is the GCF of 64, 66, 75, 770?

Answer: GCF of 64, 66, 75, 770 is 1.

2. How to Find the GCF of 64, 66, 75, 770

Answer: Greatest Common Factor(GCF) of 64, 66, 75, 770 = 1

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

Step 2: Then multiply all the prime factors GCF(64, 66, 75, 770) = 1.