Greatest Common Factor of 15, 10, 83, 438

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

• Greatest Common Factor of 15, 10, 83, 438 by common division method
• Greatest Common Factor of 15, 10, 83, 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 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 10

List of positive integer factors of 10 that divides 10 without a remainder.

1,2,5,10

Factors of 83

List of positive integer factors of 83 that divides 83 without a remainder.

1,83

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 15,10,83,438 . The biggest common factor number is the GCF number.
So the greatest common factor 15,10,83,438 is 1.

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

• GCF of 62, 85, 56, 294
• GCF of 97, 77, 15, 521
• GCF of 42, 28, 24, 567
• GCF of 16, 98, 47, 169
• GCF of 58, 65, 37, 427

1. What is the GCF of 15, 10, 83, 438?

Answer: GCF of 15, 10, 83, 438 is 1.

2. How to Find the GCF of 15, 10, 83, 438

Answer: Greatest Common Factor(GCF) of 15, 10, 83, 438 = 1

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

Step 2: Then multiply all the prime factors GCF(15, 10, 83, 438) = 1.