Greatest Common Factor of 90, 45, 42, 859

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

• Greatest Common Factor of 90, 45, 42, 859 by common division method
• Greatest Common Factor of 90, 45, 42, 859 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 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 42

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

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

Factors of 859

List of positive integer factors of 859 that divides 859 without a remainder.

1,859

Greatest Common Factor

We found the factors 90,45,42,859 . The biggest common factor number is the GCF number.
So the greatest common factor 90,45,42,859 is 1.

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

• GCF of 21, 27, 40, 878
• GCF of 28, 31, 39, 541
• GCF of 23, 74, 35, 114
• GCF of 49, 93, 24, 703
• GCF of 18, 32, 42, 750

1. What is the GCF of 90, 45, 42, 859?

Answer: GCF of 90, 45, 42, 859 is 1.

2. How to Find the GCF of 90, 45, 42, 859

Answer: Greatest Common Factor(GCF) of 90, 45, 42, 859 = 1

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

Step 2: Then multiply all the prime factors GCF(90, 45, 42, 859) = 1.