Greatest Common Factor of 25, 84, 90, 670

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

• Greatest Common Factor of 25, 84, 90, 670 by common division method
• Greatest Common Factor of 25, 84, 90, 670 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 25

List of positive integer factors of 25 that divides 25 without a remainder.

1,5,25

Factors of 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

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 670

List of positive integer factors of 670 that divides 670 without a remainder.

1,2,5,10,67,134,335,670

Greatest Common Factor

We found the factors 25,84,90,670 . The biggest common factor number is the GCF number.
So the greatest common factor 25,84,90,670 is 1.

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

• GCF of 80, 52, 98, 877
• GCF of 55, 82, 57, 780
• GCF of 91, 92, 26, 529
• GCF of 86, 14, 26, 742
• GCF of 67, 24, 25, 781

1. What is the GCF of 25, 84, 90, 670?

Answer: GCF of 25, 84, 90, 670 is 1.

2. How to Find the GCF of 25, 84, 90, 670

Answer: Greatest Common Factor(GCF) of 25, 84, 90, 670 = 1

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

Step 2: Then multiply all the prime factors GCF(25, 84, 90, 670) = 1.