4PAR 3. Prime & Composite numbers and Numerical Patterns

Front

What is a prime number?

Back

A prime number is a natural number greater than 1 that has exactly two distinct positive divisors: 1 and itself.

Front

What is a composite number?

Back

A composite number is a natural number greater than 1 that has more than two positive divisors.

Front

Is 37 a prime or composite number?

Back

37 is a prime number because it has exactly 2 factors: 1 and 37.

Front

What does it mean if a number has more than one factor pair?

Back

It means the number is composite, as it can be divided evenly by numbers other than 1 and itself.

Front

What is the first term in the pattern that multiplies by 2 starting at 1?

Back

The first term is 1.

Front

What are the next two terms in the pattern: 1, 2, 4, ...?

Back

The next two terms are 8 and 16.

Front

If Jessica votes for contestants in the pattern 5, 9, 13, what will be her votes for the fourth contestant?

Back

Jessica will vote 17 times for the fourth contestant.

Front

What are the prime numbers between 25 and 35?

Back

The prime numbers between 25 and 35 are 29 and 31.

Front

How can you identify a prime number?

Back

You can identify a prime number by checking if it has only two factors: 1 and itself.

Front

What is a factor pair?

Back

A factor pair consists of two numbers that, when multiplied together, equal a given number.