Greatest Common Factor of 991, 689, 628, 148

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

• Greatest Common Factor of 991, 689, 628, 148 by common division method
• Greatest Common Factor of 991, 689, 628, 148 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 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

Factors of 628

List of positive integer factors of 628 that divides 628 without a remainder.

1,2,4,157,314,628

Factors of 148

List of positive integer factors of 148 that divides 148 without a remainder.

1,2,4,37,74,148

Greatest Common Factor

We found the factors 991,689,628,148 . The biggest common factor number is the GCF number.
So the greatest common factor 991,689,628,148 is 1.

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

• GCF of 868, 933, 283, 554
• GCF of 314, 549, 636, 167
• GCF of 571, 623, 322, 355
• GCF of 857, 533, 364, 155
• GCF of 225, 484, 187, 686

1. What is the GCF of 991, 689, 628, 148?

Answer: GCF of 991, 689, 628, 148 is 1.

2. How to Find the GCF of 991, 689, 628, 148

Answer: Greatest Common Factor(GCF) of 991, 689, 628, 148 = 1

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

Step 2: Then multiply all the prime factors GCF(991, 689, 628, 148) = 1.