Greatest Common Factor of 55, 77, 23, 88, 646, 65, 85, 591, 61, 24

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

• Greatest Common Factor of 55, 77, 23, 88, 646, 65, 85, 591, 61, 24 by common division method
• Greatest Common Factor of 55, 77, 23, 88, 646, 65, 85, 591, 61, 24 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 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Factors of 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

Factors of 23

List of positive integer factors of 23 that divides 23 without a remainder.

1,23

Factors of 88

List of positive integer factors of 88 that divides 88 without a remainder.

1,2,4,8,11,22,44,88

Factors of 646

List of positive integer factors of 646 that divides 646 without a remainder.

1,2,17,19,34,38,323,646

Factors of 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Factors of 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Factors of 591

List of positive integer factors of 591 that divides 591 without a remainder.

1,3,197,591

Factors of 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Factors of 24

List of positive integer factors of 24 that divides 24 without a remainder.

1,2,3,4,6,8,12,24

Greatest Common Factor

We found the factors 55,77,23,88,646,65,85,591,61,24 . The biggest common factor number is the GCF number.
So the greatest common factor 55,77,23,88,646,65,85,591,61,24 is 1.

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

• GCF of 86, 99, 63, 96, 897, 47, 81, 694, 73, 73
• GCF of 21, 93, 23, 90, 485, 86, 83, 622, 59, 22
• GCF of 43, 12, 32, 15, 867, 26, 21, 854, 26, 93
• GCF of 43, 76, 11, 62, 162, 15, 58, 440, 78, 31
• GCF of 28, 17, 59, 54, 964, 64, 17, 616, 73, 58

1. What is the GCF of 55, 77, 23, 88, 646, 65, 85, 591, 61, 24?

Answer: GCF of 55, 77, 23, 88, 646, 65, 85, 591, 61, 24 is 1.

2. How to Find the GCF of 55, 77, 23, 88, 646, 65, 85, 591, 61, 24

Answer: Greatest Common Factor(GCF) of 55, 77, 23, 88, 646, 65, 85, 591, 61, 24 = 1

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

Step 2: Then multiply all the prime factors GCF(55, 77, 23, 88, 646, 65, 85, 591, 61, 24) = 1.