Greatest Common Factor of 63, 155, 220

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

• Greatest Common Factor of 63, 155, 220 by common division method
• Greatest Common Factor of 63, 155, 220 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 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 155

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

1,5,31,155

Factors of 220

List of positive integer factors of 220 that divides 220 without a remainder.

1,2,4,5,10,11,20,22,44,55,110,220

Greatest Common Factor

We found the factors 63,155,220 . The biggest common factor number is the GCF number.
So the greatest common factor 63,155,220 is 1.

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

• GCF of 27, 666, 137
• GCF of 96, 361, 875
• GCF of 54, 173, 734
• GCF of 72, 844, 723
• GCF of 58, 637, 240

1. What is the GCF of 63, 155, 220?

Answer: GCF of 63, 155, 220 is 1.

2. How to Find the GCF of 63, 155, 220

Answer: Greatest Common Factor(GCF) of 63, 155, 220 = 1

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

Step 2: Then multiply all the prime factors GCF(63, 155, 220) = 1.