Greatest Common Factor of 689, 671, 145

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

• Greatest Common Factor of 689, 671, 145 by common division method
• Greatest Common Factor of 689, 671, 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 689

List of positive integer factors of 689 that divides 689 without a remainder.

1,13,53,689

Factors of 671

List of positive integer factors of 671 that divides 671 without a remainder.

1,11,61,671

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 689,671,145 . The biggest common factor number is the GCF number.
So the greatest common factor 689,671,145 is 1.

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

• GCF of 417, 460, 843
• GCF of 316, 892, 193
• GCF of 807, 637, 533
• GCF of 203, 861, 785
• GCF of 153, 610, 168

1. What is the GCF of 689, 671, 145?

Answer: GCF of 689, 671, 145 is 1.

2. How to Find the GCF of 689, 671, 145

Answer: Greatest Common Factor(GCF) of 689, 671, 145 = 1

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

Step 2: Then multiply all the prime factors GCF(689, 671, 145) = 1.