Greatest Common Factor of 78, 70, 78, 49, 58

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

• Greatest Common Factor of 78, 70, 78, 49, 58 by common division method
• Greatest Common Factor of 78, 70, 78, 49, 58 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 78

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

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

Factors of 70

List of positive integer factors of 70 that divides 70 without a remainder.

1,2,5,7,10,14,35,70

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 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

Factors of 58

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

1,2,29,58

Greatest Common Factor

We found the factors 78,70,78,49,58 . The biggest common factor number is the GCF number.
So the greatest common factor 78,70,78,49,58 is 1.

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

• GCF of 97, 15, 77, 94, 14
• GCF of 78, 58, 23, 90, 66
• GCF of 95, 45, 19, 54, 15
• GCF of 46, 91, 49, 23, 72
• GCF of 58, 55, 32, 86, 65

1. What is the GCF of 78, 70, 78, 49, 58?

Answer: GCF of 78, 70, 78, 49, 58 is 1.

2. How to Find the GCF of 78, 70, 78, 49, 58

Answer: Greatest Common Factor(GCF) of 78, 70, 78, 49, 58 = 1

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

Step 2: Then multiply all the prime factors GCF(78, 70, 78, 49, 58) = 1.