Greatest Common Factor of 13, 94, 81, 47, 49

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

• Greatest Common Factor of 13, 94, 81, 47, 49 by common division method
• Greatest Common Factor of 13, 94, 81, 47, 49 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 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Factors of 94

List of positive integer factors of 94 that divides 94 without a remainder.

1,2,47,94

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 47

List of positive integer factors of 47 that divides 47 without a remainder.

1,47

Factors of 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

Greatest Common Factor

We found the factors 13,94,81,47,49 . The biggest common factor number is the GCF number.
So the greatest common factor 13,94,81,47,49 is 1.

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

• GCF of 72, 39, 27, 29, 88
• GCF of 36, 94, 12, 61, 77
• GCF of 71, 29, 56, 16, 57
• GCF of 43, 34, 48, 89, 17
• GCF of 72, 15, 41, 30, 93

1. What is the GCF of 13, 94, 81, 47, 49?

Answer: GCF of 13, 94, 81, 47, 49 is 1.

2. How to Find the GCF of 13, 94, 81, 47, 49

Answer: Greatest Common Factor(GCF) of 13, 94, 81, 47, 49 = 1

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

Step 2: Then multiply all the prime factors GCF(13, 94, 81, 47, 49) = 1.