Greatest Common Factor of 30, 18, 69, 625

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

• Greatest Common Factor of 30, 18, 69, 625 by common division method
• Greatest Common Factor of 30, 18, 69, 625 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 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 69

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

1,3,23,69

Factors of 625

List of positive integer factors of 625 that divides 625 without a remainder.

1,5,25,125,625

Greatest Common Factor

We found the factors 30,18,69,625 . The biggest common factor number is the GCF number.
So the greatest common factor 30,18,69,625 is 1.

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

• GCF of 71, 97, 30, 256
• GCF of 24, 48, 70, 652
• GCF of 92, 38, 96, 752
• GCF of 39, 39, 17, 882
• GCF of 28, 55, 39, 792

1. What is the GCF of 30, 18, 69, 625?

Answer: GCF of 30, 18, 69, 625 is 1.

2. How to Find the GCF of 30, 18, 69, 625

Answer: Greatest Common Factor(GCF) of 30, 18, 69, 625 = 1

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

Step 2: Then multiply all the prime factors GCF(30, 18, 69, 625) = 1.