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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.
What are the composite numbers between 70 and 85?
70, 72, 74, 75, 76, 77, 78, 80, 81, 82, 84, 85 (including 70 and 85)
What is the composite number between 60 and 80?
It is 70
What are the composite numbers between 70 and 80?
The composite numbers between 70 and 80 are 72, 74, 75, 76, 77 and 78.
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.
What is a prime number between 70 and 80?
The prime numbers between 70 and 80 are 71, 73, and 79.
What is a composite number greater than 70?
For instance, all the even numbers greater than 70 are composite.The next few composite numbers greater than 70 are: 72, 74, 75, 76, 77, 78, 80, 81, 82, 84, 85, ...
Is 80 a composite number?
Yes - since 80 is an even number, it is a composite number.
Is there any square number between 70 and 80?
No, there aren't any square numbers between 70 and 80. From 70 to 80, no number has a perfect square root, so no square number exists between 70 to 80.
What are the composite number of 65 and 80?
The only composite factor of 65 is 65. The composite factors of 80 are 4, 8, 10, 16, 20, 40, 80
What number is halfway between 60 and 80?
It is: 70
What are the composite numbers between 65 and 80?
65, 66, 68, 69, 70, 72, 74, 75, 76, 77, 78, 80
