Question

find the hcf of 36 78 90 by prime factorization method​

Answer 1

2∫36  2∫78  2∫90

2∫12   2∫24  5∫45

2∫6     2∫12  3∫9

∫3     2∫6   3∫3

          ∫3    ∫1

now hcf

36=2*2*2*3

78=2*2*2*2*3

90=2*5*3*3*1

h

HCF=2*3

      =6

Step-by-step explanation: