Greatest Common Factor of 61, 49, 56, 438

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

• Greatest Common Factor of 61, 49, 56, 438 by common division method
• Greatest Common Factor of 61, 49, 56, 438 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 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Factors of 49

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

1,7,49

Factors of 56

List of positive integer factors of 56 that divides 56 without a remainder.

1,2,4,7,8,14,28,56

Factors of 438

List of positive integer factors of 438 that divides 438 without a remainder.

1,2,3,6,73,146,219,438

Greatest Common Factor

We found the factors 61,49,56,438 . The biggest common factor number is the GCF number.
So the greatest common factor 61,49,56,438 is 1.

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

• GCF of 97, 92, 23, 855
• GCF of 41, 86, 92, 343
• GCF of 30, 36, 64, 949
• GCF of 26, 48, 92, 922
• GCF of 13, 58, 63, 344

1. What is the GCF of 61, 49, 56, 438?

Answer: GCF of 61, 49, 56, 438 is 1.

2. How to Find the GCF of 61, 49, 56, 438

Answer: Greatest Common Factor(GCF) of 61, 49, 56, 438 = 1

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

Step 2: Then multiply all the prime factors GCF(61, 49, 56, 438) = 1.