Greatest Common Factor of 78, 58, 90

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

• Greatest Common Factor of 78, 58, 90 by common division method
• Greatest Common Factor of 78, 58, 90 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 = 2

Factors of 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Factors of 58

List of positive integer factors of 58 that divides 58 without a remainder.

1,2,29,58

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

Greatest Common Factor

We found the factors 78,58,90 . The biggest common factor number is the GCF number.
So the greatest common factor 78,58,90 is 2.

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

• GCF of 20, 73, 41
• GCF of 78, 18, 49
• GCF of 23, 87, 24
• GCF of 28, 97, 11
• GCF of 60, 66, 50

1. What is the GCF of 78, 58, 90?

Answer: GCF of 78, 58, 90 is 2.

2. How to Find the GCF of 78, 58, 90

Answer: Greatest Common Factor(GCF) of 78, 58, 90 = 2

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

Step 2: Then multiply all the prime factors GCF(78, 58, 90) = 2.