The mean of any set of numbers is the sum of those numbers divided by how many numbers there are. Here, the sum is 99+97+91+89+81+76=533. When you divide 533 by 6 (the total number of numbers), you get 88.83333... repeating forever. In mixed number form, this is 88 and 5/6.
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Well, isn't that a happy little math question! The two prime numbers that add up to 91 are 89 and 2. Remember, prime numbers are like little gems in the mathematical world, shining brightly with their unique properties. Keep exploring and discovering the beauty of numbers, my friend!
No, 41, 51, 71, 81, and 91 are not prime numbers. A prime number is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers. In this case, all the numbers listed can be divided by numbers other than 1 and themselves, making them composite numbers.
Multiples of.... 3 - 57, 60, 63, 66, 69, 72, 75, 78, 81, 84, 87, 90, 93, 96 & 99 4 - 56, 60, 64, 68, 72, 76, 80, 84, 88, 92, 96 & 100 9 - 63, 72, 81, 90, 91 & 99
61 and 71 are prime numbers the rest are composite numbers
53, 59, 61, 67, 71, 73, 79, 83, 89, 91, and 97