Study

Prime & Composite Numbers

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  • Elhan has 21 toy cars. He wants to pack the cars into 7 box equally. Can he do that?
    Yes
  • State the factors of 17.
    1 and 17
  • State all prime numbers between 91 to 100.
    97
  • Is 79 a prime number or a composite number?
    A prime number
  • Choose TWO prime numbers. 81, 83, 85, 87, or 89.
    83 and 89.
  • State the factors of 45.
    1, 3, 5, 9, 15 and 45
  • Choose a prime number. 29, 39 or 49.
    29
  • Choose a composite number. 17, 27 or 37.
    27
  • I am a composite number smaller than 20. I have 6 factors. I am divisible by 4. What number am I?
    12
  • State prime numbers between 1-10.
    2, 3, 5, 7
  • State the PRIME FACTORS of 48.
    2 and 3
  • State the factors of 31.
    1 and 31
  • I am a composite number less than 50. I have 3 factors. I am divisible by 7. What number am I?
    49
  • State the factors of 20.
    1, 2, 4, 5, 10 and 20.
  • Is 39 a prime number or a composite number?
    Composite number
  • Berlian wants to divide 43 stickers equally. Can she do that?
    No
  • Mrs Fitri wants to arrange 15 chairs into 5 rows equally. Can she do that?
    Yes