Greatest Common Factor of 7, 70, 71, 689

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

• Greatest Common Factor of 7, 70, 71, 689 by common division method
• Greatest Common Factor of 7, 70, 71, 689 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 70

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

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

Factors of 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Factors of 689

List of positive integer factors of 689 that divides 689 without a remainder.

1,13,53,689

Greatest Common Factor

We found the factors 7,70,71,689 . The biggest common factor number is the GCF number.
So the greatest common factor 7,70,71,689 is 1.

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

• GCF of 6, 74, 29, 406
• GCF of 2, 70, 65, 249
• GCF of 1, 30, 97, 256
• GCF of 4, 44, 70, 841
• GCF of 4, 37, 55, 856

1. What is the GCF of 7, 70, 71, 689?

Answer: GCF of 7, 70, 71, 689 is 1.

2. How to Find the GCF of 7, 70, 71, 689

Answer: Greatest Common Factor(GCF) of 7, 70, 71, 689 = 1

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

Step 2: Then multiply all the prime factors GCF(7, 70, 71, 689) = 1.