The multiples of 25 are 25, 50, 75, 100, 125, etc. Excluding multiples of 50 (50, 100, etc.), examples include 25, 75, and 125. These numbers are divisible by 25 but not 50. Class 6 NCERT Ganita Prakash Chapter 5 Prime ...
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Jump sizes must be common factors of 14 and 36. The factors are 1, 2, and their greatest common divisor (GCD) is 2. Thus, jump sizes 1 and 2 can reach both treasures. Class 6 Mathematics Ganita Prakash Prime Time Class 6 ...
Yes, Guna is correct. Any two prime numbers are co-prime because their only common factor is 1. For example, 3 and 5, or 11 and 17, share no divisors other than 1. Class 6 Mathematics Ganita Prakash Prime Time Class 6 Mathematics ...
343 is not divisible by 17. The prime factorization of 343 is 7³ while 17 is a prime number. Since 17 is not a factor of 343, the two numbers are not divisible. Class 6 Mathematics Ganita Prakash Prime Time Class 6 ...
Yes. Other primes satisfying the condition are: 5 → 2 × 5 + 1 = 11 (prime). 11 → 2 × 11 + 1 = 23 (prime). 13 → 2 × 13 + 1 = 27 (prime). class 6 Mathematics Textbook ...