Greatest Common Factor of 164, 172, 421, 144, 423

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

• Greatest Common Factor of 164, 172, 421, 144, 423 by common division method
• Greatest Common Factor of 164, 172, 421, 144, 423 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 164

List of positive integer factors of 164 that divides 164 without a remainder.

1,2,4,41,82,164

Factors of 172

List of positive integer factors of 172 that divides 172 without a remainder.

1,2,4,43,86,172

Factors of 421

List of positive integer factors of 421 that divides 421 without a remainder.

1,421

Factors of 144

List of positive integer factors of 144 that divides 144 without a remainder.

1,2,3,4,6,8,9,12,16,18,24,36,48,72,144

Factors of 423

List of positive integer factors of 423 that divides 423 without a remainder.

1,3,9,47,141,423

Greatest Common Factor

We found the factors 164,172,421,144,423 . The biggest common factor number is the GCF number.
So the greatest common factor 164,172,421,144,423 is 1.

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

• GCF of 821, 329, 628, 773, 996
• GCF of 178, 228, 447, 638, 271
• GCF of 130, 971, 643, 569, 616
• GCF of 959, 680, 611, 424, 555
• GCF of 697, 792, 532, 838, 447

1. What is the GCF of 164, 172, 421, 144, 423?

Answer: GCF of 164, 172, 421, 144, 423 is 1.

2. How to Find the GCF of 164, 172, 421, 144, 423

Answer: Greatest Common Factor(GCF) of 164, 172, 421, 144, 423 = 1

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

Step 2: Then multiply all the prime factors GCF(164, 172, 421, 144, 423) = 1.