Greatest Common Factor of 38, 86, 64, 20, 25

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

• Greatest Common Factor of 38, 86, 64, 20, 25 by common division method
• Greatest Common Factor of 38, 86, 64, 20, 25 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 38

List of positive integer factors of 38 that divides 38 without a remainder.

1,2,19,38

Factors of 86

List of positive integer factors of 86 that divides 86 without a remainder.

1,2,43,86

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 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 25

List of positive integer factors of 25 that divides 25 without a remainder.

1,5,25

Greatest Common Factor

We found the factors 38,86,64,20,25 . The biggest common factor number is the GCF number.
So the greatest common factor 38,86,64,20,25 is 1.

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

• GCF of 43, 29, 44, 48, 90
• GCF of 61, 16, 96, 28, 72
• GCF of 55, 49, 47, 16, 30
• GCF of 32, 62, 50, 79, 11
• GCF of 67, 52, 52, 83, 66

1. What is the GCF of 38, 86, 64, 20, 25?

Answer: GCF of 38, 86, 64, 20, 25 is 1.

2. How to Find the GCF of 38, 86, 64, 20, 25

Answer: Greatest Common Factor(GCF) of 38, 86, 64, 20, 25 = 1

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

Step 2: Then multiply all the prime factors GCF(38, 86, 64, 20, 25) = 1.