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Basic Operations

Basic Operations

Basic Operations: Prime Factorize This! True or False

1. Simplify the expression . -> 12
2. Prime factorize 2520. -> 23 × 32 × 5 × 7
3. Find the least common multiple of 16 and 128. -> 128
4. Find the greatest common factor of 54 and 126. -> 18
5. Simplify the expression . -> 17
6. Prime factorize 2221. -> 32 × 73
7. Find the least common multiple of 14, 18, and 20. -> 1260
8. Find the greatest common factor of 34, 68, and 85. -> 34
9. Maisy wears a particular pair of jeans every four days. She wears her favorite sweatshirt every six days. If she wore them both together today, when will she wear them together again next? -> In 12 days
10. The least common multiple of two numbers is 600, and the greatest common factor of the same numbers is 20. What are the numbers? -> 100 and 120

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