

Prime, Composite and Factors
Presentation
•
Mathematics
•
5th Grade
•
Practice Problem
•
Medium
Noe Alaniz
Used 3+ times
FREE Resource
8 Slides • 2 Questions
1
Composite Numbers
Composite numbers are numbers that are a product of two or more sets of factors (factor pairs).
Numeros compuestos son el producto de dos pares de factores o mas.
2
Composite Numbers
You can also find if a number is composite if you divide and end up with whole numbers as factors.
Tambien podemos identificar si un numero es composito si divides y los factors resultan ser numeros enteros.
3
Multiple Choice
What is not factor pairs for 36?
2,18
3,12
4,9
6,7
4
Fill in the Blanks
Type answer...
5
Prime Numbers
Prime numbers are numbers with only one factor pair.
Numeros primos son numeros con solamente un par de factores.
The only factor set of 7 is (1,7).
The only factor set of 2 is (2,1).
El unico par de factores 7 es (1,7).
El unico par de factores 2 es (2,1).
6
How to find if a number is composite or prime, count the factors.
Como encontrar si un numero es composito o primo,
Cuenta los factores.
Step one: Is the number divisible by 2? If it is that covers fours and eights!
Paso uno: Se puede divider el numero por 2? Si lo es eso cubre los cuators y ochos!
241
624
7
How to find if a number is composite or prime, count the factors.
Como encontrar si un numero es composito o primo,
Cuenta los factores.
Step two: Add up the digits in the number if they add to 3 then the number can be divided by 3
Paso dos: Se puede divider el numero por 2? Si lo es eso cubre los cuators y ochos!
111
2001
10,002
8
How to find if a number is composite or prime, count the factors.
Como encontrar si un numero es composito o primo,
Cuenta los factores.
Step three: All numbers than end in the digits 0 or 5 can be divided by five.
Paso tres: Todos los numeros que terminan con los digitos 0 o 5 pueden ser dividios entre cinco.
1,115
20,015
9
How to find if a number is composite or prime, count the factors.
Como encontrar si un numero es composito o primo,
Cuenta los factores.
Step four: If it is an even number that can be divided by 3 then it can be divided by 6.
Paso cuatro: Si es un numero que es par y se puede dividir entre 3 entonses se puede dividier entre 6
162
738
10
How to find if a number is composite or prime, count the factors.
Como encontrar si un numero es composito o primo,
Cuenta los factores.
Step five: If all the digits add up to nine then the number can be divided by nine.
Paso cinco: si los dijitos del numero se suman a 9 entonces el numero se puede divider por 9.
1602
6,003
Composite Numbers
Composite numbers are numbers that are a product of two or more sets of factors (factor pairs).
Numeros compuestos son el producto de dos pares de factores o mas.
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