Greatest Common Factor of 45, 55, 40, 422

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

• Greatest Common Factor of 45, 55, 40, 422 by common division method
• Greatest Common Factor of 45, 55, 40, 422 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 45

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

1,3,5,9,15,45

Factors of 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 422

List of positive integer factors of 422 that divides 422 without a remainder.

1,2,211,422

Greatest Common Factor

We found the factors 45,55,40,422 . The biggest common factor number is the GCF number.
So the greatest common factor 45,55,40,422 is 1.

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

• GCF of 42, 66, 34, 797
• GCF of 63, 53, 91, 492
• GCF of 55, 39, 77, 789
• GCF of 66, 32, 12, 653
• GCF of 74, 54, 17, 981

1. What is the GCF of 45, 55, 40, 422?

Answer: GCF of 45, 55, 40, 422 is 1.

2. How to Find the GCF of 45, 55, 40, 422

Answer: Greatest Common Factor(GCF) of 45, 55, 40, 422 = 1

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

Step 2: Then multiply all the prime factors GCF(45, 55, 40, 422) = 1.