Greatest Common Factor of 7, 86, 99, 70

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

• Greatest Common Factor of 7, 86, 99, 70 by common division method
• Greatest Common Factor of 7, 86, 99, 70 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 7

List of positive integer factors of 7 that divides 7 without a remainder.

1,7

Factors of 86

List of positive integer factors of 86 that divides 86 without a remainder.

1,2,43,86

Factors of 99

List of positive integer factors of 99 that divides 99 without a remainder.

1,3,9,11,33,99

Factors of 70

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

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

Greatest Common Factor

We found the factors 7,86,99,70 . The biggest common factor number is the GCF number.
So the greatest common factor 7,86,99,70 is 1.

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

• GCF of 7, 85, 13, 33
• GCF of 9, 85, 30, 51
• GCF of 7, 87, 12, 31
• GCF of 3, 54, 56, 47
• GCF of 5, 51, 86, 56

1. What is the GCF of 7, 86, 99, 70?

Answer: GCF of 7, 86, 99, 70 is 1.

2. How to Find the GCF of 7, 86, 99, 70

Answer: Greatest Common Factor(GCF) of 7, 86, 99, 70 = 1

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

Step 2: Then multiply all the prime factors GCF(7, 86, 99, 70) = 1.