Greatest Common Factor of 205, 155, 840

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

• Greatest Common Factor of 205, 155, 840 by common division method
• Greatest Common Factor of 205, 155, 840 with matching the biggest common factor

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∴ So the GCF of the given numbers is 5 = 5

Factors of 205

List of positive integer factors of 205 that divides 205 without a remainder.

1,5,41,205

Factors of 155

List of positive integer factors of 155 that divides 155 without a remainder.

1,5,31,155

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 205,155,840 . The biggest common factor number is the GCF number.
So the greatest common factor 205,155,840 is 5.

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

• GCF of 187, 975, 414
• GCF of 154, 269, 265
• GCF of 680, 394, 371
• GCF of 898, 936, 872
• GCF of 570, 828, 108

1. What is the GCF of 205, 155, 840?

Answer: GCF of 205, 155, 840 is 5.

2. How to Find the GCF of 205, 155, 840

Answer: Greatest Common Factor(GCF) of 205, 155, 840 = 5

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

Step 2: Then multiply all the prime factors GCF(205, 155, 840) = 5.