Question

Determine H.C.F using prime factors : a) 144,240,612
b) 15,25,30
c) 525,495,570
d) 12,30​

Answer 1

a)144,240,612 is correct answer

Answer 2

Answer:

hcf is highest common factor

which is 2 or more number's highest dividing number.

Step-by-step explanation:

like in b part is we prime factorize all three we get

15=3&5

25=5&5

30=2&3&5

so hcf =5 as this is highest number that can divide all 3 numbers which are 15 ,25,30 @nd is common in every prime factorization of these 3 number also. whereas 2&3 aren't common

hope you understand

hope you get it