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If you divide 45 by 3, you'll get 15. If you divide 15 by 3, you'll get 5. 5 is prime and can't be reduced further. That makes the prime factorization of 45, 3 x 3 x 5.

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11y ago
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9y ago

It is: 9 because 4*9 = 36 and 5*9 = 45

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11y ago

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11y ago

It is: 9

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Q: What is the LCM of 42 and 45 by using continuous division?
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