1).       3, 6, 9, and 12 are some multiples of 3.
How many multiples of 3 are there between 10 and 226? ________
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2). What is the next number in each of these sequences?
3 10 20 33 ____
1 3 7 15 31 ____
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3). What is the greatest common factor (GCF) of 91 and 117?________
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4). How many different prime number factors does 720 have? ________
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5). A football team claims that all the numbers on their jerseys were prime numbers under 100. What is the largest number of players the team could have? ______ |