Only 5600, 6000, and 77622160 are divisible by all. Divisibility by 2, 4, 5, 8, and 10 requires multiples of their least common multiple (LCM), 40. These numbers meet the criteria. Class 6 NCERT Ganita Prakash Chapter 5 Prime Time class 6 ...
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The two numbers are 8 and 5. Divisibility by 8 confirms divisibility by 2 and 4. Divisibility by 5 ensures divisibility by 10. Hence, checking these two guarantees divisibility by all. Class 6 NCERT Ganita Prakash Chapter 5 Prime Time class 6 ...
Three pairs of prime numbers under 20 with sums as multiples of 5 are: (2, 3), (7, 13), and (11, 19). Their sums are 5, 20, and 30, respectively, all divisible by 5. Class 6 Mathematics Ganita Prakash Prime Time Class 6 ...
No, 2 is the only even prime number. All other even numbers are divisible by 2, making them composite. Prime numbers have only two divisors, 1 and themselves, which excludes all other even numbers. Class 6 Mathematics Ganita Prakash Prime Time Class ...
The numbers 7 and 8 satisfy the condition. Their least common multiple (LCM) is 56, which exceeds 50. Both numbers are under 10 and their LCM is calculated as (7 × 8 ÷ 1). Class 6 NCERT Ganita Prakash Chapter 5 ...