Greatest Common Factor of 64, 505, 138

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

• Greatest Common Factor of 64, 505, 138 by common division method
• Greatest Common Factor of 64, 505, 138 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 505

List of positive integer factors of 505 that divides 505 without a remainder.

1,5,101,505

Factors of 138

List of positive integer factors of 138 that divides 138 without a remainder.

1,2,3,6,23,46,69,138

Greatest Common Factor

We found the factors 64,505,138 . The biggest common factor number is the GCF number.
So the greatest common factor 64,505,138 is 1.

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

• GCF of 32, 154, 244
• GCF of 23, 506, 458
• GCF of 85, 815, 781
• GCF of 33, 772, 834
• GCF of 94, 936, 524

1. What is the GCF of 64, 505, 138?

Answer: GCF of 64, 505, 138 is 1.

2. How to Find the GCF of 64, 505, 138

Answer: Greatest Common Factor(GCF) of 64, 505, 138 = 1

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

Step 2: Then multiply all the prime factors GCF(64, 505, 138) = 1.