Greatest Common Factor of 17, 87, 75, 45, 143

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

• Greatest Common Factor of 17, 87, 75, 45, 143 by common division method
• Greatest Common Factor of 17, 87, 75, 45, 143 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 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Factors of 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

Factors of 75

List of positive integer factors of 75 that divides 75 without a remainder.

1,3,5,15,25,75

Factors of 45

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

1,3,5,9,15,45

Factors of 143

List of positive integer factors of 143 that divides 143 without a remainder.

1,11,13,143

Greatest Common Factor

We found the factors 17,87,75,45,143 . The biggest common factor number is the GCF number.
So the greatest common factor 17,87,75,45,143 is 1.

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

• GCF of 78, 41, 72, 21, 867
• GCF of 76, 35, 91, 82, 356
• GCF of 49, 91, 58, 66, 993
• GCF of 61, 71, 18, 95, 554
• GCF of 96, 43, 95, 68, 700

1. What is the GCF of 17, 87, 75, 45, 143?

Answer: GCF of 17, 87, 75, 45, 143 is 1.

2. How to Find the GCF of 17, 87, 75, 45, 143

Answer: Greatest Common Factor(GCF) of 17, 87, 75, 45, 143 = 1

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

Step 2: Then multiply all the prime factors GCF(17, 87, 75, 45, 143) = 1.