you are taking the following test:

Grade: 5,    Subject: Math,    Topic: Multiples Lowest Common Multiple (LCM)
 Question 1: What is the least common multiple of 4, 5, and 16? 30 45 56 80
 Question 2: Find the least common multiple of 15 and 20 30 40 60 80
 Question 3: Which list shows the factors of 32? 1, 2, 4, 8 1, 3, 6, 8 1, 5, 7, 9 1, 2, 4, 6
 Question 4: Select the CORRECT statement. A composite number is any number that has less than two factors. A composite number has only two factors, one and itself. A composite number is any number that has more than two factors. A prime number is any number that has more than two factors.
 Question 5: Find the least common multiple of 3, 9, 21? 45 63 42 56
 Question 6: The prime factors of 24 are ____________. 2 × 2 × 2 × 2 2 × 2 × 2 × 5 2 × 3 × 3 × 2 × 2 × 2 × 3
 Question 7: What is the least common multiple of 9 and 12? 18 36 45 63
 Question 8: Which of these is a prime number? 19 18 21 22
 Question 9: Lauren has Taekwondo class every 3 days and guitar lesson every 5 days. If she had both a Taekwondo class and a guitar lesson on Monday, in how many days will she have both on the same day again? 12 10 15 16
 Question 10: Which list shows the factors of 28? 1, 2, 3, 5, 12 7, 14, 21 2, 7, 14, 18 1, 2, 4, 7, 14, 28
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