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ANSWER: 70 and 80 are not prime numbers. They are composite numbers:

70 is a composite number because the factors of 70 other 1 and itself (70) are 2, 5, 7, 10, 14, and 35.

80 is also a composite number because the factors of 80 other 1 and itself (80) are 2, 4, 5, 8, 10,16, 20, and 40.

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โˆ™ 2012-07-30 14:07:46
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Q: Why are 70 and 80 prime numbers?
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Related questions

Why is there no prime numbers between 70 - 80?

71, 73, and 79 are three prime numbers between 70 and 80.


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The three prime numbers between 70 and 80 are: 71, 73, 79


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The prime numbers between 70 and 80 are 71, 73 and 79They are: 71, 73 and 79


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The prime numbers between 70 and 80 are 71, 73, and 79.


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The prime numbers between 70 and 80 are 71, 73, and 79.


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71, 73, and 79 are the only prime numbers between 70 and 80.


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There are 3 prime numbers between 70 and 80: 71 73 79.


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