Question

1. What is the highest common factor of 15 and 207
Factors of 15
Factors of 20:
Н.С.Р.​

Answer 1

3 is the hcf of 15 and 207.

factors of 20 are 2*2*5

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Answer 2

Answer:

hcf = 3

Step-by-step explanation:

15= 1,3,5,15

207=1,3,9,......,207

20=1,2,4,5,10,20