Greatest Common Factor of 49, 42, 25, 557

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

• Greatest Common Factor of 49, 42, 25, 557 by common division method
• Greatest Common Factor of 49, 42, 25, 557 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 49

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

1,7,49

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 25

List of positive integer factors of 25 that divides 25 without a remainder.

1,5,25

Factors of 557

List of positive integer factors of 557 that divides 557 without a remainder.

1,557

Greatest Common Factor

We found the factors 49,42,25,557 . The biggest common factor number is the GCF number.
So the greatest common factor 49,42,25,557 is 1.

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

• GCF of 10, 54, 92, 236
• GCF of 81, 52, 98, 733
• GCF of 11, 78, 84, 602
• GCF of 20, 55, 66, 603
• GCF of 97, 21, 90, 703

1. What is the GCF of 49, 42, 25, 557?

Answer: GCF of 49, 42, 25, 557 is 1.

2. How to Find the GCF of 49, 42, 25, 557

Answer: Greatest Common Factor(GCF) of 49, 42, 25, 557 = 1

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

Step 2: Then multiply all the prime factors GCF(49, 42, 25, 557) = 1.