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Factors and multiples

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  • Numbers having more than 2 factors are called ________
    composite numbers
  • we can find the ________ of a number by multiplying by 1,2, 3,4 and so on
    multiples
  • 56 is a _____ of 8
    multiple
  • 789_ is a number divisible by by 5 . find the smallest digit to make the number divisible by 5
    0
  • Find the smallest number that is divisible by 2,3, 5
    30
  • Find the smallest missing digit to make the number divisible by 3 623_6
    1
  • 3x 2x 2x___ are the prime factors of 60
    5
  • The numbers having only two factors 1 and the number itself are called _________
    prime numbers
  • ____ is a factor of every number
    1
  • When we divide a number by another and there is no remainder, the divisor and quotient are the ______ of the number
    factors
  • 25 is the greatest factor of _____
    25
  • What is the 7th multiple of 9
    63
  • What factors do 15 and 21 have in common
    1 and 3
  • When we skip counting we are listing
    multiples
  • _________is the only even prime number
    2
  • Find the LCM of 6 and 7
    42
  • The common factors of 56 and 44 are
    1,2,4
  • Find the HCF of 20, 30 and 40
    10
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