Greatest Common Factor of 9, 9, 45, 7

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

• Greatest Common Factor of 9, 9, 45, 7 by common division method
• Greatest Common Factor of 9, 9, 45, 7 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 9

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

1,3,9

Factors of 9

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

1,3,9

Factors of 45

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

1,3,5,9,15,45

Factors of 7

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

1,7

Greatest Common Factor

We found the factors 9,9,45,7 . The biggest common factor number is the GCF number.
So the greatest common factor 9,9,45,7 is 1.

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

• GCF of 5, 2, 48, 6
• GCF of 2, 9, 47, 1
• GCF of 8, 1, 10, 7
• GCF of 4, 9, 38, 9
• GCF of 3, 2, 42, 2

1. What is the GCF of 9, 9, 45, 7?

Answer: GCF of 9, 9, 45, 7 is 1.

2. How to Find the GCF of 9, 9, 45, 7

Answer: Greatest Common Factor(GCF) of 9, 9, 45, 7 = 1

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

Step 2: Then multiply all the prime factors GCF(9, 9, 45, 7) = 1.