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Divisibility and prime numbers

Mathematics — first biennium · Lesson

Numbers and arithmetic

Divisibility and prime numbers

Factoring means continuing until only prime factors remain.

Rule
Formula matematica
Example
Formula matematica
What you need to know before the exercises

In this lesson: Use divisibility tests and factor a number into primes.

How to proceed: Use divisibility tests to choose the first divisor, then continue until every factor is prime.

You can already assume: Operations with natural numbers.

Try it now

Study 105: first check divisibility, then factor it into primes.

Guided

Completed exercises: 0/5 · Correct on first attempt: 0

How to reason

Use divisibility tests to choose the first divisor, then continue until every factor is prime.

Formula matematica

You can write fractions as 3/4 and powers as 2^5.

Your competency map

What you need to know for Divisibility and prime numbers

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Current topic Strong skill Review due Needs reinforcement To be mastered Optional support

Relationships: solid line = required · dashed line = recommended · dotted line = reinforcement.

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