276 divides from factorisation method
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276 ÷ 2 = 138 - No remainder! 2 is one of the factors!
138 ÷ 2 = 69 - No remainder! 2 is one of the factors!
69 ÷ 2 = 34.5 - There is a remainder. We can't divide by 2 evenly anymore. Let's try the next prime number
69 ÷ 3 = 23 - No remainder! 3 is one of the factors!
23 ÷ 3 = 7.6667 - There is a remainder. We can't divide by 3 evenly anymore. Let's try the next prime number
23 ÷ 5 = 4.6 - This has a remainder. 5 is not a factor.
23 ÷ 7 = 3.2857 - This has a remainder. 7 is not a factor.
23 ÷ 11 = 2.0909 - This has a remainder. 11 is not a factor.
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Keep trying increasingly larger numbers until you find one that divides evenly.
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23 ÷ 23 = 1 - No remainder! 23 is one of the factors!
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