Greatest Common Factor of 30, 70, 91, 838

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

• Greatest Common Factor of 30, 70, 91, 838 by common division method
• Greatest Common Factor of 30, 70, 91, 838 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 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 70

List of positive integer factors of 70 that divides 70 without a remainder.

1,2,5,7,10,14,35,70

Factors of 91

List of positive integer factors of 91 that divides 91 without a remainder.

1,7,13,91

Factors of 838

List of positive integer factors of 838 that divides 838 without a remainder.

1,2,419,838

Greatest Common Factor

We found the factors 30,70,91,838 . The biggest common factor number is the GCF number.
So the greatest common factor 30,70,91,838 is 1.

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

• GCF of 46, 19, 27, 308
• GCF of 46, 49, 92, 337
• GCF of 28, 63, 78, 453
• GCF of 25, 26, 96, 272
• GCF of 66, 75, 72, 557

1. What is the GCF of 30, 70, 91, 838?

Answer: GCF of 30, 70, 91, 838 is 1.

2. How to Find the GCF of 30, 70, 91, 838

Answer: Greatest Common Factor(GCF) of 30, 70, 91, 838 = 1

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

Step 2: Then multiply all the prime factors GCF(30, 70, 91, 838) = 1.