Greatest Common Factor of 18, 70, 56, 225

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

• Greatest Common Factor of 18, 70, 56, 225 by common division method
• Greatest Common Factor of 18, 70, 56, 225 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 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

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 225

List of positive integer factors of 225 that divides 225 without a remainder.

1,3,5,9,15,25,45,75,225

Greatest Common Factor

We found the factors 18,70,56,225 . The biggest common factor number is the GCF number.
So the greatest common factor 18,70,56,225 is 1.

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

• GCF of 19, 62, 93, 786
• GCF of 60, 11, 70, 383
• GCF of 31, 16, 58, 449
• GCF of 10, 86, 40, 868
• GCF of 27, 75, 13, 761

1. What is the GCF of 18, 70, 56, 225?

Answer: GCF of 18, 70, 56, 225 is 1.

2. How to Find the GCF of 18, 70, 56, 225

Answer: Greatest Common Factor(GCF) of 18, 70, 56, 225 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 70, 56, 225) = 1.