EASY
6th CBSE
IMPORTANT
Earn 100

Are the following numbers co-prime?

216 and 215

Important Questions on Playing with Numbers

EASY
6th CBSE
IMPORTANT
MATHEMATICS TEXTBOOK FOR CLASS VI>Chapter 3 - Playing with Numbers>EXERCISE 3.4>Q 5

Are the following numbers co-prime?

81 and 16

MEDIUM
6th CBSE
IMPORTANT
MATHEMATICS TEXTBOOK FOR CLASS VI>Chapter 3 - Playing with Numbers>EXERCISE 3.4>Q 6
A number is divisible by both 5 and 12. By which other number will that number be always divisible?
MEDIUM
6th CBSE
IMPORTANT
MATHEMATICS TEXTBOOK FOR CLASS VI>Chapter 3 - Playing with Numbers>EXERCISE 3.4>Q 7
A number is divisible by 12. By what other numbers will that number be divisible?
MEDIUM
6th CBSE
IMPORTANT
MATHEMATICS TEXTBOOK FOR CLASS VI>Chapter 3 - Playing with Numbers>EXERCISE 3.5>Q 2
Here, the factor tree for 60 is given. Write the sum of missing numbers.

Question Image
EASY
6th CBSE
IMPORTANT
MATHEMATICS TEXTBOOK FOR CLASS VI>Chapter 3 - Playing with Numbers>EXERCISE 3.5>Q 3
Which factors (other than the number itself) are not included in the prime factorization of a composite number?
MEDIUM
6th CBSE
IMPORTANT
MATHEMATICS TEXTBOOK FOR CLASS VI>Chapter 3 - Playing with Numbers>EXERCISE 3.5>Q 4
Write the greatest 4-digit number and express it in terms of its prime factors.
MEDIUM
6th CBSE
IMPORTANT
MATHEMATICS TEXTBOOK FOR CLASS VI>Chapter 3 - Playing with Numbers>EXERCISE 3.5>Q 5
Write the smallest 5-digit number and express it in terms of its prime factors.
MEDIUM
6th CBSE
IMPORTANT
MATHEMATICS TEXTBOOK FOR CLASS VI>Chapter 3 - Playing with Numbers>EXERCISE 3.5>Q 6
Find all the prime factors of 1729 and arrange them in ascending order. Now state the relation, if any, between two consecutive prime factors.