Greatest Common Factor of 145, 860, 42

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

• Greatest Common Factor of 145, 860, 42 by common division method
• Greatest Common Factor of 145, 860, 42 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 145

List of positive integer factors of 145 that divides 145 without a remainder.

1,5,29,145

Factors of 860

List of positive integer factors of 860 that divides 860 without a remainder.

1,2,4,5,10,20,43,86,172,215,430,860

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Greatest Common Factor

We found the factors 145,860,42 . The biggest common factor number is the GCF number.
So the greatest common factor 145,860,42 is 1.

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

• GCF of 560, 190, 96
• GCF of 284, 360, 30
• GCF of 353, 308, 57
• GCF of 710, 644, 94
• GCF of 550, 118, 29

1. What is the GCF of 145, 860, 42?

Answer: GCF of 145, 860, 42 is 1.

2. How to Find the GCF of 145, 860, 42

Answer: Greatest Common Factor(GCF) of 145, 860, 42 = 1

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

Step 2: Then multiply all the prime factors GCF(145, 860, 42) = 1.