Greatest Common Factor of 10, 45, 56, 9

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

• Greatest Common Factor of 10, 45, 56, 9 by common division method
• Greatest Common Factor of 10, 45, 56, 9 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 10

List of positive integer factors of 10 that divides 10 without a remainder.

1,2,5,10

Factors of 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

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 9

List of positive integer factors of 9 that divides 9 without a remainder.

1,3,9

Greatest Common Factor

We found the factors 10,45,56,9 . The biggest common factor number is the GCF number.
So the greatest common factor 10,45,56,9 is 1.

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

• GCF of 52, 49, 55, 5
• GCF of 80, 27, 15, 7
• GCF of 82, 51, 57, 1
• GCF of 41, 56, 65, 2
• GCF of 61, 37, 28, 6

1. What is the GCF of 10, 45, 56, 9?

Answer: GCF of 10, 45, 56, 9 is 1.

2. How to Find the GCF of 10, 45, 56, 9

Answer: Greatest Common Factor(GCF) of 10, 45, 56, 9 = 1

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

Step 2: Then multiply all the prime factors GCF(10, 45, 56, 9) = 1.