Decomposing Composite Natural Number by Prime Factors Author: Temesgen Getachew LegesseLecturer of Mathematics at Fiche Teachers College, currently giving different mathematics in the collegeComplete the test and get an award. Question 1 What are the prime decompositions of 12 and 20 respectively? 2^{3} x 3 and 2^{3} x 5 2^{2} x 3 and 2^{2} x 5 2 x 3 and 2 x 5 3 x 5 and 3 x 5 2 x 3^{2} and 2 x 5^{2} Question 2 200 = ________ 2^{3} x 5^{2} 2^{2} x 5^{2} 2^{3} x 5^{3} 2 x 5^{3} 2^{3} x 5 Question 3 24 is the same as? 2 x 5 2^{2} x 11 2 x 13 2^{3} x 3 7 x 5 Question 4 30 =__________ 5 x 2 x 3 7 x 2 x 3 11 x 3 x 2 5 x 7 3 x 2 x5 Question 5 The decomposition of 40 by prime factors is : 2^{2} x 5 2^{3} x 5 2 x 5^{2} 2 x 5 x7 3 x 5 Question 6 50 =____________ 2^{3} x 5 3 x 5^{2} 2^{3} x 7 2 x 5^{2} 11 x 5 Question 7 if 60 = 2^{2} x k x 5, the value of k is 2 7 5 2 3 Question 8 1900 = _________ 3^{2} x 2 x 5 2^{2} x 5^{2} x 19 7 x 5 x 2 2^{2} x 5 x 19 3^{2} x 2^{2} x 5 Question 9 180 is the same as: 3^{2} x 2 x 5 3 x 2^{2} x 5 3^{2} x 2^{2} x 5 3x 2^{3} x 5 2^{4} x 5 Question 10 1700 =_________ 17x 2^{2} x 5^{2} 17 x 2 x 5^{3} 17 x 2^{3} x 5 17 x 2^{3} x 5^{2} 17 x 2 x 5 Loading...Other tests from Temesgen Getachew LegesseComposite natural numbers and Prime numbersNatural Number system
MENU