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Prime Factorization Word Problems
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Prime Factorization Word Problems
Q 1
: Find the smallest number that is divisible by all even numbers between 5 and 15.
850
680
840
Q 2
: What is the smallest number of students required so that they may be uniformly arranged in rows of 12, 16 or 20? (Hint: find the LCM of the numbers)
220
240
245
Q 3
: Some toys are 15 dollars each, some are 45 dollars each, and some are 60 dollars each. Find the least sum of money with which we can buy an exact number of toys of each kind?
180
120
160
Q 4
: George wished to buy some crackers. If he gave 2 crackers or 3 crackers or 4 crackers or 5 crackers to each of his friends, he is left with no crackers. What is the least number of crackers he must purchase?
110
60
140
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