Greatest Common Factor of 143, 991, 689

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

• Greatest Common Factor of 143, 991, 689 by common division method
• Greatest Common Factor of 143, 991, 689 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 143

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

1,11,13,143

Factors of 991

List of positive integer factors of 991 that divides 991 without a remainder.

1,991

Factors of 689

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

1,13,53,689

Greatest Common Factor

We found the factors 143,991,689 . The biggest common factor number is the GCF number.
So the greatest common factor 143,991,689 is 1.

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

• GCF of 972, 312, 534
• GCF of 739, 887, 175
• GCF of 936, 105, 255
• GCF of 410, 169, 294
• GCF of 737, 989, 774

1. What is the GCF of 143, 991, 689?

Answer: GCF of 143, 991, 689 is 1.

2. How to Find the GCF of 143, 991, 689

Answer: Greatest Common Factor(GCF) of 143, 991, 689 = 1

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

Step 2: Then multiply all the prime factors GCF(143, 991, 689) = 1.