Find all co-prime numbers from 1 to 100 Example-1

1. find all co-prime numbers from 10 to 20

Solution:

Two numbers are said to be Co-Prime if they have no common factor other than 1 (In other words, Their highest common factor (HCF) is 1)

Some of the Co-Prime numbers between `10` and `20` are

(10,11)
(15,17)
(17,19)
(19,20)

2. find all co-prime numbers from 30 to 50

Solution:

Two numbers are said to be Co-Prime if they have no common factor other than 1 (In other words, Their highest common factor (HCF) is 1)

Some of the Co-Prime numbers between `30` and `50` are

(30,31)
(33,35)
(37,39)
(41,43)
(43,47)
(35,37)
(37,39)
(49,50)

3. find all co-prime numbers from 50 to 100

Solution:

Two numbers are said to be Co-Prime if they have no common factor other than 1 (In other words, Their highest common factor (HCF) is 1)

Some of the Co-Prime numbers between `50` and `100` are

(50,51)
(53,55)
(57,59)
(67,71)
(79,83)
(89,92)
(71,73)
(73,75)
(99,100)

4. find all co-prime numbers from 1 to 100

Solution:

Two numbers are said to be Co-Prime if they have no common factor other than 1 (In other words, Their highest common factor (HCF) is 1)

Some of the Co-Prime numbers between `1` and `100` are

(2,3)
(5,7)
(9,11)
(13,17)
(23,29)
(31,34)
(41,44)
(69,71)
(71,73)
(99,100)

This material is intended as a summary. Use your textbook for detail explanation.
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