Greatest Common Factor of 420, 161, 553

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

• Greatest Common Factor of 420, 161, 553 by common division method
• Greatest Common Factor of 420, 161, 553 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 7 = 7

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 161

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

1,7,23,161

Factors of 553

List of positive integer factors of 553 that divides 553 without a remainder.

1,7,79,553

Greatest Common Factor

We found the factors 420,161,553 . The biggest common factor number is the GCF number.
So the greatest common factor 420,161,553 is 7.

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

• GCF of 779, 927, 295
• GCF of 703, 153, 634
• GCF of 239, 835, 576
• GCF of 622, 666, 749
• GCF of 788, 649, 881

1. What is the GCF of 420, 161, 553?

Answer: GCF of 420, 161, 553 is 7.

2. How to Find the GCF of 420, 161, 553

Answer: Greatest Common Factor(GCF) of 420, 161, 553 = 7

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

Step 2: Then multiply all the prime factors GCF(420, 161, 553) = 7.