Greatest Common Factor of 620, 842, 921, 217, 121

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

• Greatest Common Factor of 620, 842, 921, 217, 121 by common division method
• Greatest Common Factor of 620, 842, 921, 217, 121 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 620

List of positive integer factors of 620 that divides 620 without a remainder.

1,2,4,5,10,20,31,62,124,155,310,620

Factors of 842

List of positive integer factors of 842 that divides 842 without a remainder.

1,2,421,842

Factors of 921

List of positive integer factors of 921 that divides 921 without a remainder.

1,3,307,921

Factors of 217

List of positive integer factors of 217 that divides 217 without a remainder.

1,7,31,217

Factors of 121

List of positive integer factors of 121 that divides 121 without a remainder.

1,11,121

Greatest Common Factor

We found the factors 620,842,921,217,121 . The biggest common factor number is the GCF number.
So the greatest common factor 620,842,921,217,121 is 1.

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

• GCF of 777, 261, 411, 131, 580
• GCF of 284, 235, 917, 236, 802
• GCF of 856, 614, 344, 773, 923
• GCF of 392, 263, 881, 799, 713
• GCF of 450, 195, 797, 104, 360

1. What is the GCF of 620, 842, 921, 217, 121?

Answer: GCF of 620, 842, 921, 217, 121 is 1.

2. How to Find the GCF of 620, 842, 921, 217, 121

Answer: Greatest Common Factor(GCF) of 620, 842, 921, 217, 121 = 1

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

Step 2: Then multiply all the prime factors GCF(620, 842, 921, 217, 121) = 1.