Greatest Common Factor of 25, 31, 85, 438

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

• Greatest Common Factor of 25, 31, 85, 438 by common division method
• Greatest Common Factor of 25, 31, 85, 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 25

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

1,5,25

Factors of 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Factors of 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

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 25,31,85,438 . The biggest common factor number is the GCF number.
So the greatest common factor 25,31,85,438 is 1.

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

• GCF of 60, 39, 84, 774
• GCF of 91, 61, 39, 901
• GCF of 16, 60, 26, 491
• GCF of 62, 64, 53, 260
• GCF of 14, 36, 97, 142

1. What is the GCF of 25, 31, 85, 438?

Answer: GCF of 25, 31, 85, 438 is 1.

2. How to Find the GCF of 25, 31, 85, 438

Answer: Greatest Common Factor(GCF) of 25, 31, 85, 438 = 1

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

Step 2: Then multiply all the prime factors GCF(25, 31, 85, 438) = 1.