Greatest Common Factor of 77, 50, 90, 13

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

• Greatest Common Factor of 77, 50, 90, 13 by common division method
• Greatest Common Factor of 77, 50, 90, 13 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 77

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

1,7,11,77

Factors of 50

List of positive integer factors of 50 that divides 50 without a remainder.

1,2,5,10,25,50

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Greatest Common Factor

We found the factors 77,50,90,13 . The biggest common factor number is the GCF number.
So the greatest common factor 77,50,90,13 is 1.

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

• GCF of 70, 41, 23, 91
• GCF of 94, 14, 72, 82
• GCF of 85, 64, 18, 40
• GCF of 39, 78, 93, 52
• GCF of 73, 91, 18, 99

1. What is the GCF of 77, 50, 90, 13?

Answer: GCF of 77, 50, 90, 13 is 1.

2. How to Find the GCF of 77, 50, 90, 13

Answer: Greatest Common Factor(GCF) of 77, 50, 90, 13 = 1

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

Step 2: Then multiply all the prime factors GCF(77, 50, 90, 13) = 1.