Greatest Common Factor of 78, 71, 13, 153

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

• Greatest Common Factor of 78, 71, 13, 153 by common division method
• Greatest Common Factor of 78, 71, 13, 153 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 78

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

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

Factors of 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Factors of 13

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

1,13

Factors of 153

List of positive integer factors of 153 that divides 153 without a remainder.

1,3,9,17,51,153

Greatest Common Factor

We found the factors 78,71,13,153 . The biggest common factor number is the GCF number.
So the greatest common factor 78,71,13,153 is 1.

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

• GCF of 35, 55, 63, 205
• GCF of 39, 72, 19, 898
• GCF of 72, 44, 99, 511
• GCF of 30, 13, 38, 960
• GCF of 63, 74, 68, 797

1. What is the GCF of 78, 71, 13, 153?

Answer: GCF of 78, 71, 13, 153 is 1.

2. How to Find the GCF of 78, 71, 13, 153

Answer: Greatest Common Factor(GCF) of 78, 71, 13, 153 = 1

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

Step 2: Then multiply all the prime factors GCF(78, 71, 13, 153) = 1.