Greatest Common Factor of 34, 90, 55, 438

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

• Greatest Common Factor of 34, 90, 55, 438 by common division method
• Greatest Common Factor of 34, 90, 55, 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 34

List of positive integer factors of 34 that divides 34 without a remainder.

1,2,17,34

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

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 34,90,55,438 . The biggest common factor number is the GCF number.
So the greatest common factor 34,90,55,438 is 1.

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

• GCF of 71, 43, 60, 719
• GCF of 39, 26, 15, 459
• GCF of 35, 71, 43, 428
• GCF of 41, 40, 52, 370
• GCF of 30, 32, 90, 363

1. What is the GCF of 34, 90, 55, 438?

Answer: GCF of 34, 90, 55, 438 is 1.

2. How to Find the GCF of 34, 90, 55, 438

Answer: Greatest Common Factor(GCF) of 34, 90, 55, 438 = 1

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

Step 2: Then multiply all the prime factors GCF(34, 90, 55, 438) = 1.