What is the greatest common factor of 15 25 and 50?

The greatest common factor (GCF) of 15, 25, and 50 is 5. To find the GCF, you need to determine the factors of each number and identify the largest factor that is common to all three numbers. The factors of 15 are 1, 3, 5, and 15. The factors of 25 are 1, 5, 25. The factors of 50 are 1, 2, 5, 10, 25, 50. The largest factor that is common to all three numbers is 5, making it the greatest common factor.