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Is 355 prime or composite
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Is 355 prime or composite

User Ben Hare
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2 Answers

4 votes
Composite becausd something times 5 or something else equals 355
User Lezlie
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8.0k points
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355 is composite. You can tell immediately because the last digit, 5, shows that this number can at least be divided by 5.
Use divisibility rules to help you figure these kinds of problems out quickly.
Hope that helped you.
User Udaya
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7.8k points
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