What is the definition of a prime number?
  • A number with only 1 factor
  • A number with only 2 factors
  • A number with more than 2 factors
  • A number with zero factors
Which number is a factor of 10
  • 3
  • 4
  • 5
  • 8
A factor is most similar to a....
  • quotient
  • product
  • divisor
  • ninja
How can you prove a number is prime?
  • See if it's first name is Optimus.
  • If it's the first one.
  • Show that it cannot be divided evenly by a number (other than 1 and itself)
  • If you add it's proper factors and they equal that number, it's prime.
A composite number is...
  • A number with more factors than 1 and itself
  • A number with letters in it
  • When it's proper factors add to more than the number
  • compostable
How can you prove a number is composite?
  • It can be subtracted from 0
  • It can be divided evenly by numbers other than 1 and itself
  • It has more than two digits in it.
  • Rainbow Unicorn
What are all the factors of 40?
  • 1,2,4,5,8,12,14,40
  • 1,2,3,4,5,8,10
  • 1,2,4,5,8,10,20,40
  • 1,2,4,5,6,7,8,9,10
What is a multiple?
  • a product of one number multiplied by another number.
  • The symbol for multiplication
  • Two sets of twins
  • A number that divides evenly into another number.
A number is divisible by 3 if the digits of the number add up to equal _________
  • An even number
  • A number that is divisible by 3
  • A number that is a multiple of 5
  • A number that is divisible by 6
List the first 5 multiples of 12.
  • 12,24,36,48,60
  • 1,2,3,4,6,12
  • 24,36,48,60,72
  • 12,24,48,72,96
A square number has an _________ number of factors
  • even
  • odd
_______ numbers are divisible by 2.
  • Odd
  • Even
A square number is a number that has a factor that is multiplied by ___________
  • a number equal to itself
  • a number greater than itself
  • a number smaller than itself
True or False. 10, 20, 30, 40, ....are considered SQUARE numbers.
  • True
  • False
True or False. (3,7) are a FACTOR PAIR of 21.
  • True
  • False
0 h : 0 m : 1 s

Answered Not Answered Not Visited Correct : 0 Incorrect : 0