Greatest Common Factor of 55, 88, 20, 407

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

• Greatest Common Factor of 55, 88, 20, 407 by common division method
• Greatest Common Factor of 55, 88, 20, 407 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 55

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

1,5,11,55

Factors of 88

List of positive integer factors of 88 that divides 88 without a remainder.

1,2,4,8,11,22,44,88

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 407

List of positive integer factors of 407 that divides 407 without a remainder.

1,11,37,407

Greatest Common Factor

We found the factors 55,88,20,407 . The biggest common factor number is the GCF number.
So the greatest common factor 55,88,20,407 is 1.

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

• GCF of 25, 99, 62, 548
• GCF of 67, 64, 33, 842
• GCF of 59, 83, 10, 501
• GCF of 52, 73, 30, 416
• GCF of 81, 55, 14, 531

1. What is the GCF of 55, 88, 20, 407?

Answer: GCF of 55, 88, 20, 407 is 1.

2. How to Find the GCF of 55, 88, 20, 407

Answer: Greatest Common Factor(GCF) of 55, 88, 20, 407 = 1

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

Step 2: Then multiply all the prime factors GCF(55, 88, 20, 407) = 1.