section 5.1 primes and divisibility rules

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Section 5.1 Primes and Divisibility Rules

Section 5.1 Primes and Divisibility Rules

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Section 5.1 Primes and Divisibility Rules

Divisibility Rules

A number is divisible by: if

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Section 5.1 Primes and Divisibility Rules

Divisibility Rules

A number is divisible by: if

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Section 5.1 Primes and Divisibility Rules

Divisibility Rules

A number is divisible by: if

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Section 5.1 Primes and Divisibility Rules

Divisibility Rules

A number is divisible by: if

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Section 5.1 Primes and Divisibility Rules

Section 5.1 Primes and Divisibility Rules

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Section 5.1 Primes and Divisibility Rules

Can you write 71 as a product

of two smaller numbers?

Section 5.1 Primes and Divisibility Rules

Write the following numbers as products of smaller

numbers other than one.

12

21

36

108

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Section 5.1 Primes and Divisibility Rules

Prime Numbers

A natural number greater than 1 is a prime

number if it cannot be expressed as a

product of two smaller natural numbers.

A natural number that is not prime is called composite

Section 5.1 Primes and Divisibility Rules

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Section 5.1 Primes and Divisibility Rules

The Prime Factorization of Natural Numbers

Every natural number greater than 1 is either a

prime number or it can be expressed as a product

of prime numbers.

Section 5.1 Primes and Divisibility Rules

Find the prime factorization of 2450.

Find the prime factorization of 360.

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Section 5.1 Primes and Divisibility Rules