Greatest Common Factor of 47, 90, 74, 78

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

• Greatest Common Factor of 47, 90, 74, 78 by common division method
• Greatest Common Factor of 47, 90, 74, 78 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 47

List of positive integer factors of 47 that divides 47 without a remainder.

1,47

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 74

List of positive integer factors of 74 that divides 74 without a remainder.

1,2,37,74

Factors of 78

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

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

Greatest Common Factor

We found the factors 47,90,74,78 . The biggest common factor number is the GCF number.
So the greatest common factor 47,90,74,78 is 1.

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

• GCF of 67, 27, 73, 99
• GCF of 84, 26, 88, 10
• GCF of 31, 27, 61, 79
• GCF of 59, 37, 28, 50
• GCF of 21, 81, 59, 72

1. What is the GCF of 47, 90, 74, 78?

Answer: GCF of 47, 90, 74, 78 is 1.

2. How to Find the GCF of 47, 90, 74, 78

Answer: Greatest Common Factor(GCF) of 47, 90, 74, 78 = 1

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

Step 2: Then multiply all the prime factors GCF(47, 90, 74, 78) = 1.