11 Divisibility Rules and Prime Factorization if the …Divisibility...11 Divisibility Rules and...
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11 Divisibility Rules and Prime Factorization Chapters 5.12 , Date _____ 2 if the number is even 3 if the sum of its digits is divisible by 3 5 if the last digit is 0 or 5 10 if the last digit is 0
Transcript of 11 Divisibility Rules and Prime Factorization if the …Divisibility...11 Divisibility Rules and...
11 Divisibility Rules and Prime Factorization Chapters 5.12 , Date _____
2 if the number is even3 if the sum of its digits is divisible by 35 if the last digit is 0 or 510 if the last digit is 0
Finding FactorsA natural number is factored when it is written as the product of two or more natural numbers.
Natural numbers are the counting numbers: 1, 2, 3, 4, etc.
For instance, 32 can be factored as 4 8. The numbers 4 and 8 are factors of 32.
A natural number is prime if it has exactly two factors, itself and 1.
Examples: 2, 3, 5, 7, 11, 13, ...
A natural number is composite if it has three or more factors.
Examples: 4, 6, 8, 9, 10, 12, ...