Factors of 4
1 × 4 = 4
2 × 2 = 4
4 × 1 = 4
We stop here as 1 & 4 have occurred earlier
So factors of 4 are 1, 2, 4
Factors of 18
1 × 18 = 18
2 × 9 = 18
3 × 6 = 18
6 × 3 = 18
We stop here as 6 & 3 have occurred earlier
So factors of 18 are 1, 2, 3, 6, 9, 18
Factors of 4
1 × 4 = 4
2 × 2 = 4
4 × 1 = 4
We stop here as 1 & 4 have occurred earlier
So factors of 4 are 1, 2, 4
Factors of 15
1 × 15 = 15
3 × 5 = 15
5 × 3 = 15
We stop here as 3 & 5 have occurred earlier
So factors of 15 are 1, 3, 5, 15

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.

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