Greatest Common Factor of 153, 691, 28

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

• Greatest Common Factor of 153, 691, 28 by common division method
• Greatest Common Factor of 153, 691, 28 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 153

List of positive integer factors of 153 that divides 153 without a remainder.

1,3,9,17,51,153

Factors of 691

List of positive integer factors of 691 that divides 691 without a remainder.

1,691

Factors of 28

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

1,2,4,7,14,28

Greatest Common Factor

We found the factors 153,691,28 . The biggest common factor number is the GCF number.
So the greatest common factor 153,691,28 is 1.

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

• GCF of 185, 667, 31
• GCF of 114, 597, 76
• GCF of 635, 169, 51
• GCF of 768, 921, 53
• GCF of 166, 535, 30

1. What is the GCF of 153, 691, 28?

Answer: GCF of 153, 691, 28 is 1.

2. How to Find the GCF of 153, 691, 28

Answer: Greatest Common Factor(GCF) of 153, 691, 28 = 1

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

Step 2: Then multiply all the prime factors GCF(153, 691, 28) = 1.