Question

Home fun
Grade: V
Sub: Mathematics
Date: 05-10-2020
Solve the following.
1.Find the factor tree for a) 120.
b) 64
2. Find the HCF by prime factorization method.
a) 20, 32 and 30.
b) 63 and 21.
3. Find the HCF by successive division method.
a) 5 and 125
b) 20 and 60​

Answer 1

Answer:Q.no 1

120

^

(2). (60)

^

2. 30

^

2. 15

^

3. 5

120= 2*2*2*3*5

qno2.

20= 2*2*5

32=2*2*2*2*2

30=2*3*5

HCF = 2

QNO 3.

20)60(3

60

___

X

HCF IS 20

Answer 2

Please mark above answer as brain list