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Playing with Numbers — MATHS STD 6 — Question

ICSE BoardEnglish MediumSTD 6MATHSPlaying with Numbers1 Mark
MCQ
Which of the following statements is true?
  • A
    1 is the smallest prime number.
  • B
    If two numbers are co-primes, then at least one of them must be a prime number.
  • C
    If a number is prime, it must be odd.
  • ✓
    Two consecutive odd prime numbers are always twin primes.
✓

Answer

Correct option: D.
Two consecutive odd prime numbers are always twin primes.
D

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