Question

3. ਹੇਠ ਲਿਖਿਆਂ ਵਿੱਚੋਂ ਕਿਹੜਾ ਜੋੜਾ ਸਹਿ-ਅਭਾਜ
मधिभाहां रा चै?Which of the following is
a pair of co-prime numbers?
निम्नलिखित में से कौन सह-अभाज्य संख्याओं
की एक जोड़ी है?
*
O 8, 45
O 3,18
O 5, 35
O 6, 39​

Answer 1

$\underline{ \pink{ Co-prime \: numbers : }}$

$Two \:numbers \:have \:no \: common \: factors \\other \:than \:1 \: is \: called \: Co-prime \:numbers$

$i) Given \: 8, 45$

8 | 45 |5

*** 40

____________

****** 5| 8 | 1

*********5

____________

******** 3| 5|1

***********3

____________

***********2|3|1

*************2

_____________

*************1|2|2

************** 2

_____________

************(0)

$\red{ HCF (8,45) } \green { = 1 }$

Therefore.,

$\blue{ 8,45 \: are \: Co-prime \: numbers }$

$ii) Given \: 3, 18$

3| 18 | 6

** 18

______

***(0)

$\green { HCF( 3,18) = 3 }$

$\red{ 3, 18 \: are \: not \: Co-prime \:numbers}$

$iii) Given \: 5 , 35$

5 | 35 | 7

*** 35

_______

****(0)

$\green { HCF (5,35) = 5 }$

$\red{ 5,35 \: are \: not \: Co-prime \:numbers }$

$iv) Given \: 6,39$

6 | 39 |6

****36

_________

*****3|6|2

****** 6

_________

******(0)

$\green{ HCF (6,39) = 3 }$

$\red{ 6,39 \: are\:not \: Co-prime numbers }$

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