Greatest Common Factor of 90, 70, 42, 717

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

• Greatest Common Factor of 90, 70, 42, 717 by common division method
• Greatest Common Factor of 90, 70, 42, 717 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 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 70

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

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

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 717

List of positive integer factors of 717 that divides 717 without a remainder.

1,3,239,717

Greatest Common Factor

We found the factors 90,70,42,717 . The biggest common factor number is the GCF number.
So the greatest common factor 90,70,42,717 is 1.

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

• GCF of 24, 80, 71, 147
• GCF of 53, 22, 90, 398
• GCF of 82, 44, 75, 500
• GCF of 85, 23, 32, 701
• GCF of 58, 44, 83, 368

1. What is the GCF of 90, 70, 42, 717?

Answer: GCF of 90, 70, 42, 717 is 1.

2. How to Find the GCF of 90, 70, 42, 717

Answer: Greatest Common Factor(GCF) of 90, 70, 42, 717 = 1

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

Step 2: Then multiply all the prime factors GCF(90, 70, 42, 717) = 1.