Greatest Common Factor of 8, 45, 210

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

• Greatest Common Factor of 8, 45, 210 by common division method
• Greatest Common Factor of 8, 45, 210 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 8

List of positive integer factors of 8 that divides 8 without a remainder.

1,2,4,8

Factors of 45

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

1,3,5,9,15,45

Factors of 210

List of positive integer factors of 210 that divides 210 without a remainder.

1,2,3,5,6,7,10,14,15,21,30,35,42,70,105,210

Greatest Common Factor

We found the factors 8,45,210 . The biggest common factor number is the GCF number.
So the greatest common factor 8,45,210 is 1.

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

• GCF of 1, 90, 697
• GCF of 8, 50, 627
• GCF of 7, 54, 945
• GCF of 7, 11, 146
• GCF of 1, 11, 382

1. What is the GCF of 8, 45, 210?

Answer: GCF of 8, 45, 210 is 1.

2. How to Find the GCF of 8, 45, 210

Answer: Greatest Common Factor(GCF) of 8, 45, 210 = 1

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

Step 2: Then multiply all the prime factors GCF(8, 45, 210) = 1.