find HCF of following:
27,63 and 207
Answers
Answered by
0
Answer:
9 is the highest common factor
Step-by-step explanation:
27 3
9 3
3 3
1
63, 207 3
21 3
7 7
1
Prime factors of 27 = 3^3
Prime factors of 63and207 = 3^2 . 7
Common prime factors: 3
Common prime factors with the lowest exponent: 3^2
HCF = 3^2 = 9
Answered by
0
Step-by-step explanation:
factors
27==9*3
63==9*7
207=9*23
as we see 3 ,7,and 23 are primes so there are no more factors
HCF( highest common factor ) means common and highest in all numbers
9 is common so HCF==9
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