Greatest Common Factor of 71, 31, 60, 840

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

• Greatest Common Factor of 71, 31, 60, 840 by common division method
• Greatest Common Factor of 71, 31, 60, 840 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 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Factors of 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Factors of 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Factors of 840

List of positive integer factors of 840 that divides 840 without a remainder.

1,2,3,4,5,6,7,8,10,12,14,15,20,21,24,28,30,35,40,42,56,60,70,84,105,120,140,168,210,280,420,840

Greatest Common Factor

We found the factors 71,31,60,840 . The biggest common factor number is the GCF number.
So the greatest common factor 71,31,60,840 is 1.

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

• GCF of 96, 66, 88, 519
• GCF of 12, 51, 63, 878
• GCF of 30, 71, 98, 574
• GCF of 33, 26, 30, 335
• GCF of 43, 30, 67, 325

1. What is the GCF of 71, 31, 60, 840?

Answer: GCF of 71, 31, 60, 840 is 1.

2. How to Find the GCF of 71, 31, 60, 840

Answer: Greatest Common Factor(GCF) of 71, 31, 60, 840 = 1

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

Step 2: Then multiply all the prime factors GCF(71, 31, 60, 840) = 1.