Chapter 4: Q13. (page 179)

Find the greatest common factor of the numbers.
21, 99

Short Answer

Expert verified

The greatest common factor is 3.

Step by step solution

Step-1 – Define greatest common factor

A common factor is a whole number that is a factor of two or more nonzero whole numbers. The greatest of the common factors is the greatest common factor (GCF).

Step-3 – Factor the numbers

Factor both the numbers 21 and 99.

The factors of 21 are: $21 = 7 \times 3$

The factors of 99 are: $99 = 3 \times 3 \times 11$

Step-3 – State the conclusion

From the factorization it can be observed that 3 is common in both the numbers, therefore, the greatest common factor is 3.

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Find the greatest common factor of the numbers.
21, 99

Short Answer

Step by step solution

Step-1 – Define greatest common factor

Step-3 – Factor the numbers

Step-3 – State the conclusion

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Find the greatest common factor of the numbers.21, 99

Short Answer

Step by step solution

Step-1 – Define greatest common factor

Step-3 – Factor the numbers

Step-3 – State the conclusion

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Statistics

Decision Maths

Pure Maths

Probability and Statistics

Calculus

Mechanics Maths

Study anywhere. Anytime. Across all devices.

Find the greatest common factor of the numbers.
21, 99