Greatest Common Factor of 770, 105, 644

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

• Greatest Common Factor of 770, 105, 644 by common division method
• Greatest Common Factor of 770, 105, 644 with matching the biggest common factor

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∴ So the GCF of the given numbers is 7 = 7

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

Factors of 105

List of positive integer factors of 105 that divides 105 without a remainder.

1,3,5,7,15,21,35,105

Factors of 644

List of positive integer factors of 644 that divides 644 without a remainder.

1,2,4,7,14,23,28,46,92,161,322,644

Greatest Common Factor

We found the factors 770,105,644 . The biggest common factor number is the GCF number.
So the greatest common factor 770,105,644 is 7.

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

• GCF of 674, 199, 363
• GCF of 262, 537, 139
• GCF of 124, 765, 893
• GCF of 604, 433, 144
• GCF of 604, 551, 658

1. What is the GCF of 770, 105, 644?

Answer: GCF of 770, 105, 644 is 7.

2. How to Find the GCF of 770, 105, 644

Answer: Greatest Common Factor(GCF) of 770, 105, 644 = 7

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

Step 2: Then multiply all the prime factors GCF(770, 105, 644) = 7.