The smallest number with five distinct prime factors is 2 Ă— 3 Ă— 5 Ă— 7 Ă— 11 = 2310. Using the smallest primes ensures the minimal result for this condition. class 6 Mathematics Textbook Chapter 5 question answer class 6 Mathematics ...
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42 is not divisible by 12. The prime factorization of 42 is 2 × 3 × 7, and 12 is 2² × 3. The missing 2² in 42 prevents divisibility. Class 6 Mathematics Chapter 5 Prime Time question answer Class 6 NCERT ...
The smallest number with three different prime factors is 2 Ă— 3 Ă— 5 = 30. These are the smallest primes, and their product yields the smallest composite number meeting the condition. Class 6 Mathematics Ganita Prakash Prime Time Class 6 Mathematics ...
The smallest number is 27720. It is the least common multiple (LCM) of numbers from 1 to 12, found by multiplying the highest powers of all primes in this range: 2³,3²,5,7,11. Class 6 NCERT Ganita Prakash Chapter 5 Prime Time class 6 ...
The smallest number is 2520 Ă· 7 = 360. The least common multiple (LCM) of numbers 1 to 10 is 2520. Excluding 7, dividing 2520 by 7 gives the smallest valid number, 360. Class 6 Mathematics Ganita Prakash Prime Time Class 6 ...
Changing the last two digits to 56 makes the number divisible by 8. For example, 8556 is a multiple of 8 because 8556 Ă· 8 = 1069 with no remainder. Class 6 NCERT Ganita Prakash Chapter 5 Prime Time class 6 Mathematics ...
The game says ‘idli-vada’ for common multiples of 3 and 5. These are: 15, 30, 45, 60, 75, 90, 105, 120, 135, and 150. Thus, the 10th instance is at 150. Class 6 Mathematics Ganita Prakash Prime Time Class 6 Mathematics Chapter ...
Twin primes between 1 and 100 include (3, 5), (5, 7), (11, 13), (17, 19), (29, 31), (41, 43), (59, 61), and (71, 73). These pairs differ by exactly 2. Class 6 Mathematics Chapter 5 Prime Time question answer Class 6 NCERT ...
The factors of 20 are 1, 2, 4, 5, 10, and 20. The factors of 28 are 1, 2, 4, 7, 14, and 28. Their common factors are 1, 2, and 4. Class 6 Mathematics Chapter 5 Prime Time question answer Class ...
Prime time in maths refers to the concept of prime numbers—numbers greater than 1 with only two divisors: 1 and themselves. Examples include 2, 3, 5, 7, and 11. Class 6 Mathematics Chapter 5 Prime Time question answer Class 6 NCERT Ganita ...