Greatest Common Factor of 71, 41, 78, 42, 90

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

• Greatest Common Factor of 71, 41, 78, 42, 90 by common division method
• Greatest Common Factor of 71, 41, 78, 42, 90 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 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Factors of 41

List of positive integer factors of 41 that divides 41 without a remainder.

1,41

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 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

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 71,41,78,42,90 . The biggest common factor number is the GCF number.
So the greatest common factor 71,41,78,42,90 is 1.

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

• GCF of 74, 82, 91, 92, 55
• GCF of 18, 34, 15, 72, 66
• GCF of 43, 84, 66, 44, 83
• GCF of 75, 27, 99, 22, 54
• GCF of 60, 58, 68, 84, 19

1. What is the GCF of 71, 41, 78, 42, 90?

Answer: GCF of 71, 41, 78, 42, 90 is 1.

2. How to Find the GCF of 71, 41, 78, 42, 90

Answer: Greatest Common Factor(GCF) of 71, 41, 78, 42, 90 = 1

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

Step 2: Then multiply all the prime factors GCF(71, 41, 78, 42, 90) = 1.