Greatest Common Factor of 42, 98, 56, 685

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

• Greatest Common Factor of 42, 98, 56, 685 by common division method
• Greatest Common Factor of 42, 98, 56, 685 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 42

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

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

Factors of 98

List of positive integer factors of 98 that divides 98 without a remainder.

1,2,7,14,49,98

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 685

List of positive integer factors of 685 that divides 685 without a remainder.

1,5,137,685

Greatest Common Factor

We found the factors 42,98,56,685 . The biggest common factor number is the GCF number.
So the greatest common factor 42,98,56,685 is 1.

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

• GCF of 83, 30, 31, 368
• GCF of 21, 94, 53, 827
• GCF of 25, 54, 22, 343
• GCF of 83, 65, 80, 146
• GCF of 30, 24, 95, 555

1. What is the GCF of 42, 98, 56, 685?

Answer: GCF of 42, 98, 56, 685 is 1.

2. How to Find the GCF of 42, 98, 56, 685

Answer: Greatest Common Factor(GCF) of 42, 98, 56, 685 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 98, 56, 685) = 1.