Greatest Common Factor of 551, 155, 20

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

• Greatest Common Factor of 551, 155, 20 by common division method
• Greatest Common Factor of 551, 155, 20 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 551

List of positive integer factors of 551 that divides 551 without a remainder.

1,19,29,551

Factors of 155

List of positive integer factors of 155 that divides 155 without a remainder.

1,5,31,155

Factors of 20

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

1,2,4,5,10,20

Greatest Common Factor

We found the factors 551,155,20 . The biggest common factor number is the GCF number.
So the greatest common factor 551,155,20 is 1.

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

• GCF of 141, 564, 66
• GCF of 637, 431, 48
• GCF of 206, 447, 77
• GCF of 124, 711, 53
• GCF of 147, 955, 96

1. What is the GCF of 551, 155, 20?

Answer: GCF of 551, 155, 20 is 1.

2. How to Find the GCF of 551, 155, 20

Answer: Greatest Common Factor(GCF) of 551, 155, 20 = 1

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

Step 2: Then multiply all the prime factors GCF(551, 155, 20) = 1.