Which of the following statemennts are t...

Which of the following statemennts are true ?
If two numbers are co-primes,at least one of them must be prime.

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MBD-PLAYING WITH NUMBERS-EXERCISE

Which of the following statemennts are true ? If two numbers are co-pr...
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Write all the factors of the following number : 12
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Write all factors each of the following: 54
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Write all the factors of the following number : 36
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Write all factors each of the following: 121
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Write all factors each of the following: 243
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Write the first five multiples of : 7
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Write first five multiples of : 9
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Write the first five multiples of : 11
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Write the first five multiples of : 15
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Write the first five multiples of : 21
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Which of the following have 27 as a factor? 6561
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Which of the following have 27 as a factor? 177147
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Which of the following have 27 as a factor? 24356
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List all prime numbers between: 21 and 90
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List all prime numbers between: 110 and 140.
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Express each of the following numbers as a sum of two odd primes : 36
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Express each of the following numbers as a sum of two odd primes : 59
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Express each of the following numbers as a sum of two odd primes : 82
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Express each of the following numbers as a sum of two odd primes : 106
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Express each of the following numbers as a sum of two odd primes : 92
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