Greatest Common Factor of 438, 155, 65

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

• Greatest Common Factor of 438, 155, 65 by common division method
• Greatest Common Factor of 438, 155, 65 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 438

List of positive integer factors of 438 that divides 438 without a remainder.

1,2,3,6,73,146,219,438

Factors of 155

List of positive integer factors of 155 that divides 155 without a remainder.

1,5,31,155

Factors of 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Greatest Common Factor

We found the factors 438,155,65 . The biggest common factor number is the GCF number.
So the greatest common factor 438,155,65 is 1.

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

• GCF of 566, 573, 84
• GCF of 419, 168, 42
• GCF of 806, 740, 60
• GCF of 484, 645, 90
• GCF of 993, 842, 67

1. What is the GCF of 438, 155, 65?

Answer: GCF of 438, 155, 65 is 1.

2. How to Find the GCF of 438, 155, 65

Answer: Greatest Common Factor(GCF) of 438, 155, 65 = 1

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

Step 2: Then multiply all the prime factors GCF(438, 155, 65) = 1.