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Earn +20 ptsQ: What is a composite number between 70 and 80?
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Composite number between 70 and 80?
70, 72, 74, 75, 76, 77, 78, 80
Why are 70 and 80 prime numbers?
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.
What is the sum of all composite numbers between 70 and 80?
452
Is a prime number between 70 and 80?
The prime numbers between 70 and 80 are 71, 73, and 79.
Why is there no prime numbers between 70 - 80?
There are no prime numbers between 70 and 80 because all the numbers in that range have factors other than 1 and themselves. For example, 72 can be divided evenly by 2, 3, 4, 6, 8, 9, 12, 18, 24, and 36, so it is not a prime number. Similarly, all the other numbers between 70 and 80 have multiple factors, making them composite numbers.
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