Greatest Common Factor of 70, 56, 91, 438

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

• Greatest Common Factor of 70, 56, 91, 438 by common division method
• Greatest Common Factor of 70, 56, 91, 438 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 70

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

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

Factors of 56

List of positive integer factors of 56 that divides 56 without a remainder.

1,2,4,7,8,14,28,56

Factors of 91

List of positive integer factors of 91 that divides 91 without a remainder.

1,7,13,91

Factors of 438

List of positive integer factors of 438 that divides 438 without a remainder.

1,2,3,6,73,146,219,438

Greatest Common Factor

We found the factors 70,56,91,438 . The biggest common factor number is the GCF number.
So the greatest common factor 70,56,91,438 is 1.

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

• GCF of 99, 67, 73, 277
• GCF of 33, 35, 75, 374
• GCF of 14, 33, 20, 836
• GCF of 84, 83, 10, 153
• GCF of 21, 58, 89, 699

1. What is the GCF of 70, 56, 91, 438?

Answer: GCF of 70, 56, 91, 438 is 1.

2. How to Find the GCF of 70, 56, 91, 438

Answer: Greatest Common Factor(GCF) of 70, 56, 91, 438 = 1

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

Step 2: Then multiply all the prime factors GCF(70, 56, 91, 438) = 1.