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Q: What are the seven consecutive composite numbers less than 100?

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90 to 96

They are: 90 91 92 93 94 95 and 96

90, 91, 92, 93, 94, 95, 96That's the only set of seven consecutive composite numbers less than 100.

90, 91, 92, 93, 94, 95, 96

We're not sure exactly what the question is looking for, so I made upmy own, and it leads to a fascinating investigation. I hope this is actuallywhat the questioner has in mind.The question seems to be asking: "Find seven consecutive numbers that areall composite."I did a quick investigation, and found some neat stuff. I sure hope my method was valid.-- There actually is a string of seven composite numbers less than 100.They are: 90, 91, 92, 93, 94, 95, 96.-- There are seven strings of five consecutive composite numbers, all less than 100.-- The next series of seven consecutive composites doesn't occur until 360-366.But on the way there, there are five strings of 9 composites, two strings of 11 composites,and three strings of 13 composites.-- There are no series of an even number of consecutive composites, at leastnot up to 200,000 . Wonder why that is.-- The string of 19 consecutive numbers from 888 to 906 are all composite.-- Up to 200,000, the grand-daddy is the range from 155,922 to 156,006 ...a series of 85 consecutive integers that are all composite.

90 91 92 93 94 95 96

Consecutive composite numbers less than 100 include 8-10, 14-16, 20-22 and others.

Let's try 99 and 98! 99 is 3 x 3 x 11 and 98 is 2 x 7 x 7 98 and 99 are consecutive numbers, composite numbers, less than 100 and there is no prime numbers between them!

The only number set that fits these criteria are, 90, 91, 92, 93, 94, 95, 96.

composite numbers are less than 12: 4, 6, 8, 9, 10

The sum of the composite numbers that are less than 8 is: 4+6 = 10

90, 91, 92, 93, 94, 95, 96

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