Greatest Common Factor of 821, 207, 49

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

• Greatest Common Factor of 821, 207, 49 by common division method
• Greatest Common Factor of 821, 207, 49 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 821

List of positive integer factors of 821 that divides 821 without a remainder.

1,821

Factors of 207

List of positive integer factors of 207 that divides 207 without a remainder.

1,3,9,23,69,207

Factors of 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

Greatest Common Factor

We found the factors 821,207,49 . The biggest common factor number is the GCF number.
So the greatest common factor 821,207,49 is 1.

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

• GCF of 957, 778, 87
• GCF of 124, 752, 74
• GCF of 537, 598, 87
• GCF of 237, 584, 26
• GCF of 458, 472, 86

1. What is the GCF of 821, 207, 49?

Answer: GCF of 821, 207, 49 is 1.

2. How to Find the GCF of 821, 207, 49

Answer: Greatest Common Factor(GCF) of 821, 207, 49 = 1

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

Step 2: Then multiply all the prime factors GCF(821, 207, 49) = 1.