Greatest Common Factor of 90, 63, 155, 145

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

• Greatest Common Factor of 90, 63, 155, 145 by common division method
• Greatest Common Factor of 90, 63, 155, 145 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 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 155

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

1,5,31,155

Factors of 145

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

1,5,29,145

Greatest Common Factor

We found the factors 90,63,155,145 . The biggest common factor number is the GCF number.
So the greatest common factor 90,63,155,145 is 1.

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

• GCF of 87, 48, 856, 855
• GCF of 84, 17, 508, 671
• GCF of 44, 42, 831, 250
• GCF of 89, 14, 338, 748
• GCF of 79, 82, 103, 809

1. What is the GCF of 90, 63, 155, 145?

Answer: GCF of 90, 63, 155, 145 is 1.

2. How to Find the GCF of 90, 63, 155, 145

Answer: Greatest Common Factor(GCF) of 90, 63, 155, 145 = 1

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

Step 2: Then multiply all the prime factors GCF(90, 63, 155, 145) = 1.