Greatest Common Factor of 420, 716, 164, 639

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

• Greatest Common Factor of 420, 716, 164, 639 by common division method
• Greatest Common Factor of 420, 716, 164, 639 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 420

List of positive integer factors of 420 that divides 420 without a remainder.

1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420

Factors of 716

List of positive integer factors of 716 that divides 716 without a remainder.

1,2,4,179,358,716

Factors of 164

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

1,2,4,41,82,164

Factors of 639

List of positive integer factors of 639 that divides 639 without a remainder.

1,3,9,71,213,639

Greatest Common Factor

We found the factors 420,716,164,639 . The biggest common factor number is the GCF number.
So the greatest common factor 420,716,164,639 is 1.

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

• GCF of 455, 783, 458, 530
• GCF of 382, 563, 988, 943
• GCF of 951, 417, 310, 795
• GCF of 826, 987, 966, 883
• GCF of 922, 220, 530, 145

1. What is the GCF of 420, 716, 164, 639?

Answer: GCF of 420, 716, 164, 639 is 1.

2. How to Find the GCF of 420, 716, 164, 639

Answer: Greatest Common Factor(GCF) of 420, 716, 164, 639 = 1

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

Step 2: Then multiply all the prime factors GCF(420, 716, 164, 639) = 1.