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1. List the first seven prime numbers of our standard number system
(0, 1, 2, 4, 4, etc...)

2. List all the factors for the number 72

3. Which of the numbers 21, 88, 126 and 255 are divisible by 7.

Solution Summary

This provides a list of the first prime numbers, shows how to find factors for a number, and how to determine if numbers are divisible by a number.