Question

A={x:x is a factor of 105}​

Answer 1

$\underline { \pink{ Factor :}}$

If a number 'x' divides another number 'y' exactly ,then we say that 'x' is a factor of 'y'.

$\underline { Finding \: Factors \:of \: 105}$

We have ,

105 = 1 × 105

= 3 × 35

= 5 × 21

= 7 × 15

Factors of 105

F(105) = { 1,3,5,7,15,21,35,105 }

Therefore.,

• Set Builder Form:

A = { x:x is a factor of 105}

• Roster Form:

A = { 1,3,5,7,15,21,35,105}

•••♪