Problem of the Day
Today's maths challenge
🔥0-day streak
Find the HCF (highest common factor) of 18 and 24.
Hint: List the factors of each, or use prime factorisation.
Answer: 6
- $18 = 2 \times 3^2$ and $24 = 2^3 \times 3$.
- Common factors: one 2 and one 3, so HCF $= 2 \times 3 = 6$.
Answer: 6
Nice work! Come back tomorrow to keep your streak going.
A new problem unlocks in —. Problem 15 of 28 in the current rotation.