Greatest Common Factor of 49, 78, 245

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

• Greatest Common Factor of 49, 78, 245 by common division method
• Greatest Common Factor of 49, 78, 245 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 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Factors of 245

List of positive integer factors of 245 that divides 245 without a remainder.

1,5,7,35,49,245

Greatest Common Factor

We found the factors 49,78,245 . The biggest common factor number is the GCF number.
So the greatest common factor 49,78,245 is 1.

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

• GCF of 65, 90, 829
• GCF of 66, 68, 276
• GCF of 27, 32, 871
• GCF of 42, 29, 140
• GCF of 71, 58, 295

1. What is the GCF of 49, 78, 245?

Answer: GCF of 49, 78, 245 is 1.

2. How to Find the GCF of 49, 78, 245

Answer: Greatest Common Factor(GCF) of 49, 78, 245 = 1

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

Step 2: Then multiply all the prime factors GCF(49, 78, 245) = 1.