What are the factors of the number 18?
GCSE Secondary Maths Age 13-17 - Number: Factors and Prime Numbers - Explained
Interactive Video
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Mathematics
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10th - 12th Grade
•
Hard
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The video tutorial explains factors and prime numbers, focusing on the factors of 18. It lists the factors of 18 and defines prime numbers as those with only two factors. The tutorial demonstrates how to find combinations of factors that sum to a prime number, using trial and error. It concludes with scoring criteria for finding such combinations.
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5 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
Define a prime number and provide an example.
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
Explain why the number 1 is not considered a prime number.
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the significance of trial and error in finding combinations of factors that yield a prime number?
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
List three factors of 18 that can be added together to produce a prime number.
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