Greatest Common Factor of 63, 60, 55, 90

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

• Greatest Common Factor of 63, 60, 55, 90 by common division method
• Greatest Common Factor of 63, 60, 55, 90 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 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Factors of 55

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

1,5,11,55

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Greatest Common Factor

We found the factors 63,60,55,90 . The biggest common factor number is the GCF number.
So the greatest common factor 63,60,55,90 is 1.

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

• GCF of 20, 16, 31, 92
• GCF of 50, 61, 65, 98
• GCF of 20, 72, 57, 50
• GCF of 44, 54, 58, 98
• GCF of 19, 17, 62, 79

1. What is the GCF of 63, 60, 55, 90?

Answer: GCF of 63, 60, 55, 90 is 1.

2. How to Find the GCF of 63, 60, 55, 90

Answer: Greatest Common Factor(GCF) of 63, 60, 55, 90 = 1

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

Step 2: Then multiply all the prime factors GCF(63, 60, 55, 90) = 1.