Greatest Common Factor of 10, 81, 30, 945

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

• Greatest Common Factor of 10, 81, 30, 945 by common division method
• Greatest Common Factor of 10, 81, 30, 945 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 10

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

1,2,5,10

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

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 945

List of positive integer factors of 945 that divides 945 without a remainder.

1,3,5,7,9,15,21,27,35,45,63,105,135,189,315,945

Greatest Common Factor

We found the factors 10,81,30,945 . The biggest common factor number is the GCF number.
So the greatest common factor 10,81,30,945 is 1.

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

• GCF of 63, 88, 83, 402
• GCF of 71, 38, 45, 596
• GCF of 33, 71, 76, 143
• GCF of 79, 91, 26, 691
• GCF of 99, 39, 37, 579

1. What is the GCF of 10, 81, 30, 945?

Answer: GCF of 10, 81, 30, 945 is 1.

2. How to Find the GCF of 10, 81, 30, 945

Answer: Greatest Common Factor(GCF) of 10, 81, 30, 945 = 1

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

Step 2: Then multiply all the prime factors GCF(10, 81, 30, 945) = 1.