Greatest Common Factor of 42, 17, 63, 841

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

• Greatest Common Factor of 42, 17, 63, 841 by common division method
• Greatest Common Factor of 42, 17, 63, 841 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 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Factors of 63

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

1,3,7,9,21,63

Factors of 841

List of positive integer factors of 841 that divides 841 without a remainder.

1,29,841

Greatest Common Factor

We found the factors 42,17,63,841 . The biggest common factor number is the GCF number.
So the greatest common factor 42,17,63,841 is 1.

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

• GCF of 21, 84, 30, 357
• GCF of 49, 36, 59, 349
• GCF of 20, 65, 72, 518
• GCF of 40, 37, 21, 871
• GCF of 27, 35, 89, 368

1. What is the GCF of 42, 17, 63, 841?

Answer: GCF of 42, 17, 63, 841 is 1.

2. How to Find the GCF of 42, 17, 63, 841

Answer: Greatest Common Factor(GCF) of 42, 17, 63, 841 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 17, 63, 841) = 1.