GCF of 4.2, 12.6, 21
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Utilise our handy GCF of Decimals Calculator to find the GCF of 4.2, 12.6, 21. Get the detailed steps to calculate the greatest common factor of decimals 4.2, 12.6, 21 which is 4.2 in the following sections.
Greatest common factor (GCF) of 4.2, 12.6, 21 is 4.2.
GCF(4.2, 12.6, 21) = 4.2
Enter two or more decimals separated by "commas"
Ex: 0.2, 0.3 or 0.4, 0.5, 0.6
What is GCF of 4.2, 12.6, 21?
Given numbers are 4.2, 12.6, 21
Find the highest number after the decimal place.
Multiply all decimal numbers by 10
4.2 x 10 = 42
12.6 x 10 = 126
21 x 10 = 210
Find the GCF of 42, 126, 210
Get the factors of 42, 126, 210
The factors of 42 are 1, 2, 3, 6, 7, 14, 21, 42
The factors of 126 are 1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126
The factors of 210 are 1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210
So, the GCF of 42, 126, 210 is 42.
Divide the GCF by 10 as we multiplied by it to make the given numbers as integers before.
Thus, the GCF of 4.2, 12.6, 21 is 4.2
FAQs on GCF of Decimals 4.2, 12.6, 21
1. How to calculate the greatest common factor of 4.2, 12.6, 21?
To calculate the greatest common factor of 4.2, 12.6, 21, we have to multiply all numbers with 10 and then finf GCF of those integers 42, 126, 210. Again divide the obtained GCF number by 10 to get the GCF of decimals.
2. What is the GCF of decimals 4.2, 12.6, 21?
The GCF of decimals 4.2, 12.6, 21 is 4.2.