Greatest Common Factor of 69, 10, 30, 45

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

• Greatest Common Factor of 69, 10, 30, 45 by common division method
• Greatest Common Factor of 69, 10, 30, 45 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 69

List of positive integer factors of 69 that divides 69 without a remainder.

1,3,23,69

Factors of 10

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

1,2,5,10

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 45

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

1,3,5,9,15,45

Greatest Common Factor

We found the factors 69,10,30,45 . The biggest common factor number is the GCF number.
So the greatest common factor 69,10,30,45 is 1.

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

• GCF of 89, 10, 55, 12
• GCF of 47, 75, 94, 78
• GCF of 65, 18, 92, 12
• GCF of 66, 71, 30, 42
• GCF of 55, 42, 47, 16

1. What is the GCF of 69, 10, 30, 45?

Answer: GCF of 69, 10, 30, 45 is 1.

2. How to Find the GCF of 69, 10, 30, 45

Answer: Greatest Common Factor(GCF) of 69, 10, 30, 45 = 1

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

Step 2: Then multiply all the prime factors GCF(69, 10, 30, 45) = 1.