Worksheet on H.C.F. and L.C.M.

We will solve different types of problems given in the Worksheet on H.C.F. and L.C.M.

I. Find highest common factor of the following by complete factorisation:

(i) 48, 56, 72

(ii) 198, 360

(iii) 102, 68, 136

(iv) 1024, 576

(v) 405, 783, 513

II. Find the H.C.F. by long division method:

(i) 84, 144

(ii) 120, 168

(iii) 430, 516, 817

(iv) 632, 790, 869

(v) 291, 582, 776

(vi) 219, 1321, 2320, 8526

III. Find lowest common multiple of the following numbers:

(i) 16, 24, 40

(ii) 40, 56, 60

(iii) 207, 138

(iv) 72, 96, 120

(v) 120, 150, 135

(vi) 102, 170, 136

Answers for the highest common factor (H.C.F.) and lowest common multiple (L.C.M.) are given below.

I. (i) 8

(ii) 18

(iii) 34

(iv) 64

(v) 27

II. (i) 12

(ii) 24

(iii) 43

(iv) 79

(v) 97

(vi) 1

III. (i) 240

(ii) 840

(iii) 414

(iv) 1440

(v) 5400

(vi) 2040

To Find Lowest Common Multiple by using Division Method

Relationship between H.C.F. and L.C.M.

Worksheet on H.C.F. and L.C.M.

Word problems on H.C.F. and L.C.M.

Worksheet on word problems on H.C.F. and L.C.M.