56 and 63 are not co-prime. The prime factorization of 56 is 2³ × 7 and that of 63 is 3² ×7. Both share the common factor 7, disqualifying co-primality. Class 6 Mathematics Ganita Prakash Prime Time Class 6 Mathematics Chapter 5 ...
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225 is not divisible by 27. The prime factorization of 225 is 3² x 5², while 27 is 3³. Since 27 has a higher power of 3, it cannot divide 225. class 6 Mathematics Textbook Chapter 5 question answer class 6 Mathematics ...
True. Among primes, only 2 and 3 are consecutive. For all other primes, the next number is either even or divisible by a smaller prime, making it composite. This holds universally for prime numbers. Class 6 NCERT Ganita Prakash Chapter 5 ...