Greatest Common Factor of 63, 30, 38, 861

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

• Greatest Common Factor of 63, 30, 38, 861 by common division method
• Greatest Common Factor of 63, 30, 38, 861 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 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 38

List of positive integer factors of 38 that divides 38 without a remainder.

1,2,19,38

Factors of 861

List of positive integer factors of 861 that divides 861 without a remainder.

1,3,7,21,41,123,287,861

Greatest Common Factor

We found the factors 63,30,38,861 . The biggest common factor number is the GCF number.
So the greatest common factor 63,30,38,861 is 1.

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

• GCF of 12, 90, 25, 906
• GCF of 73, 44, 81, 690
• GCF of 34, 63, 78, 643
• GCF of 77, 30, 51, 693
• GCF of 81, 80, 87, 310

1. What is the GCF of 63, 30, 38, 861?

Answer: GCF of 63, 30, 38, 861 is 1.

2. How to Find the GCF of 63, 30, 38, 861

Answer: Greatest Common Factor(GCF) of 63, 30, 38, 861 = 1

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

Step 2: Then multiply all the prime factors GCF(63, 30, 38, 861) = 1.