Greatest Common Factor of 71, 85, 17, 145

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

• Greatest Common Factor of 71, 85, 17, 145 by common division method
• Greatest Common Factor of 71, 85, 17, 145 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 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Factors of 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Factors of 145

List of positive integer factors of 145 that divides 145 without a remainder.

1,5,29,145

Greatest Common Factor

We found the factors 71,85,17,145 . The biggest common factor number is the GCF number.
So the greatest common factor 71,85,17,145 is 1.

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

• GCF of 84, 41, 60, 576
• GCF of 76, 56, 11, 345
• GCF of 86, 47, 52, 318
• GCF of 94, 72, 78, 624
• GCF of 22, 26, 92, 806

1. What is the GCF of 71, 85, 17, 145?

Answer: GCF of 71, 85, 17, 145 is 1.

2. How to Find the GCF of 71, 85, 17, 145

Answer: Greatest Common Factor(GCF) of 71, 85, 17, 145 = 1

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

Step 2: Then multiply all the prime factors GCF(71, 85, 17, 145) = 1.