Greatest Common Factor of 689, 521, 161

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

• Greatest Common Factor of 689, 521, 161 by common division method
• Greatest Common Factor of 689, 521, 161 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 521

List of positive integer factors of 521 that divides 521 without a remainder.

1,521

Factors of 161

List of positive integer factors of 161 that divides 161 without a remainder.

1,7,23,161

Greatest Common Factor

We found the factors 689,521,161 . The biggest common factor number is the GCF number.
So the greatest common factor 689,521,161 is 1.

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

• GCF of 859, 482, 821
• GCF of 395, 642, 813
• GCF of 200, 995, 372
• GCF of 419, 974, 123
• GCF of 983, 700, 808

1. What is the GCF of 689, 521, 161?

Answer: GCF of 689, 521, 161 is 1.

2. How to Find the GCF of 689, 521, 161

Answer: Greatest Common Factor(GCF) of 689, 521, 161 = 1

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

Step 2: Then multiply all the prime factors GCF(689, 521, 161) = 1.