He asked one student to find the greatest common factor.
From the sacbee.com
Fifth grade is simplifying fractions, finding least common denominator, finding greatest common factor, and adding mixed numbers with unlike denominators.
From the desmoinesregister.com
Many of the elementary-aged children shared lessons with their grandparents on grammar, fractions, cube root, greatest common factor, and tone bars.
From the dailyherald.com
Bladder cancer is much more common in men, and smoking is the greatest risk factor.