What is the GCF of 1215 and 3920?
The GCF of 1215 and 3920 is 5.
Steps to find GCF
- Find the prime factorization of 1215
1215 = 3 × 3 × 3 × 3 × 3 × 5 - Find the prime factorization of 3920
3920 = 2 × 2 × 2 × 2 × 5 × 7 × 7 - To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 5
MathStep (Works offline)
Download our mobile app and learn how to find GCF of upto four numbers in your own time:
Android and iPhone/ iPad
Related
Find hcf of: 2430 & 7840 243 & 784 2430 & 3920 1215 & 7840 3645 & 3920 6075 & 3920 8505 & 3920
GCF Calculator
Enter two numbers separate by comma. To find GCF of more than two numbers, click here.
The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).