Greatest Common Factor of 40, 86, 67, 840

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

• Greatest Common Factor of 40, 86, 67, 840 by common division method
• Greatest Common Factor of 40, 86, 67, 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 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 86

List of positive integer factors of 86 that divides 86 without a remainder.

1,2,43,86

Factors of 67

List of positive integer factors of 67 that divides 67 without a remainder.

1,67

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 40,86,67,840 . The biggest common factor number is the GCF number.
So the greatest common factor 40,86,67,840 is 1.

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

• GCF of 75, 76, 27, 128
• GCF of 51, 81, 89, 505
• GCF of 66, 11, 98, 899
• GCF of 54, 56, 33, 378
• GCF of 73, 58, 97, 660

1. What is the GCF of 40, 86, 67, 840?

Answer: GCF of 40, 86, 67, 840 is 1.

2. How to Find the GCF of 40, 86, 67, 840

Answer: Greatest Common Factor(GCF) of 40, 86, 67, 840 = 1

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

Step 2: Then multiply all the prime factors GCF(40, 86, 67, 840) = 1.