HCF OF 15 AND 20

Mathematics

ScanSolve AI Answer

The Highest Common Factor (HCF) is the largest number that divides into two or more numbers without leaving a remainder.

Step 1: Find the factors of 15. Factors of 15 are: 1, 3, 5, 15.

Step 2: Find the factors of 20. Factors of 20 are: 1, 2, 4, 5, 10, 20.

Step 3: Identify the common factors. The common factors of 15 and 20 are: 1, 5.

Step 4: Determine the highest common factor. The highest number among the common factors is 5.

The HCF of 15 and 20 is 5.

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Quick Answer

The Highest Common Factor (HCF) is the largest number that divides into two or more numbers without leaving a remainder.

HCF OF 15 AND 20
Mathematics

This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.

ScanSolve AI Answer
The Highest Common Factor (HCF) is the largest number that divides into two or more numbers without leaving a remainder. Step 1: Find the factors of 15. Factors of 15 are: 1, 3, 5, 15. Step 2: Find the factors of 20. Factors of 20 are: 1, 2, 4, 5, 10, 20. Step 3: Identify the common factors. The common factors of 15 and 20 are: 1, 5. Step 4: Determine the highest common factor. The highest number among the common factors is 5. The HCF of 15 and 20 is 5. That's 1 down. 4 left today — send the next one.