Greatest Common Factor of 28, 29, 45, 975

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

• Greatest Common Factor of 28, 29, 45, 975 by common division method
• Greatest Common Factor of 28, 29, 45, 975 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 28

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

1,2,4,7,14,28

Factors of 29

List of positive integer factors of 29 that divides 29 without a remainder.

1,29

Factors of 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 975

List of positive integer factors of 975 that divides 975 without a remainder.

1,3,5,13,15,25,39,65,75,195,325,975

Greatest Common Factor

We found the factors 28,29,45,975 . The biggest common factor number is the GCF number.
So the greatest common factor 28,29,45,975 is 1.

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

• GCF of 63, 53, 64, 100
• GCF of 91, 68, 17, 247
• GCF of 51, 79, 13, 289
• GCF of 96, 32, 86, 392
• GCF of 72, 44, 20, 676

1. What is the GCF of 28, 29, 45, 975?

Answer: GCF of 28, 29, 45, 975 is 1.

2. How to Find the GCF of 28, 29, 45, 975

Answer: Greatest Common Factor(GCF) of 28, 29, 45, 975 = 1

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

Step 2: Then multiply all the prime factors GCF(28, 29, 45, 975) = 1.