Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter R - Section R.1 - Factors and the Least Common Multiple - Practice: 5

Answer

1, 2, 3, 6, 7, 14, 21, 42

Work Step by Step

42 = 1 * 42, 2 * 21, 3 * 14, and 6 * 7, so the factors are 1, 2, 3, 6, 7, 14, 21, and 42. Here’s a great way to find factors: 1) pick a factor pair that you already know - eg. 1*42 2 multiply one member of the pair by a number, and divide the other member of the pair by the same number - eg. 1*3=3 and 42/3=14 3)these new numbers are another factor pair - ie. our new one here is 3*14
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