Greatest Common Factor of 19, 70, 28, 136

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

• Greatest Common Factor of 19, 70, 28, 136 by common division method
• Greatest Common Factor of 19, 70, 28, 136 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 19

List of positive integer factors of 19 that divides 19 without a remainder.

1,19

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 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 136

List of positive integer factors of 136 that divides 136 without a remainder.

1,2,4,8,17,34,68,136

Greatest Common Factor

We found the factors 19,70,28,136 . The biggest common factor number is the GCF number.
So the greatest common factor 19,70,28,136 is 1.

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

• GCF of 75, 31, 14, 988
• GCF of 60, 70, 56, 745
• GCF of 69, 63, 32, 611
• GCF of 44, 15, 88, 715
• GCF of 27, 23, 88, 627

1. What is the GCF of 19, 70, 28, 136?

Answer: GCF of 19, 70, 28, 136 is 1.

2. How to Find the GCF of 19, 70, 28, 136

Answer: Greatest Common Factor(GCF) of 19, 70, 28, 136 = 1

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

Step 2: Then multiply all the prime factors GCF(19, 70, 28, 136) = 1.