Arithmetic Flashcards
integer
{…,-3,-2,-1,0,1,2,3,…}
A negative * a negative
a positive
A negative * a positive
a negative
Factorization
listing all of the possible combinations of integers that are multiplied to make a number
Factor or divisor
numbers in a factorization
multiple
25: 25, 50, 75, 100, 125, 150,…
_____ is a factor of every integer
1
_____ is a multiple of every integer
zero
Least common multiple
the least positive number that is a multiple of two numbers, a and b
Multiples of 30
30, 60, 90, 120, 150,…
Greatest common factor
the greatest positive number that is a divisor of two numbers, a and b
Factors of 30
1, 30, 2, 15, 3, 10, 5, 6
Quotient with remainder
when two integers are divided that are not factors of one another;
example: 19/7= 2 remainder 5
The sum (+) of two even integers is….
an even number
The sum (+) of two odd integers is…
an even number
The sum (+) of an even integer and an odd integer is…
an odd number
The product (x) of two even integers is…
an even number
The product (x) of two odd integers is…
an odd number
The product (x) of an even integer and an odd integer is…
an even number
Prime number
integer greater than 1 that only can be divided by 1 and itself;
ex: (3, 5, 7, etc)
____ is not a prime number
One
Prime factorization
list of only the prime-number factors for an integer;
examples: 12= (2)(2)(3)= (2^2)(3)
14= (2)(7)
81= (3)(3)(3)(3)= 3^4
Composite number
an integer greater than 1 that is not a prime number
In a\b, a is the…
numerator
