How many positive factors do 150 and 90 have in common? Options:  A) 8  B) 12  C) 16  D) 18  E) 24
The number of common factors will be same as number of factors of the Highest Common Factor(HCF)   HCF of 150 and 90 is 30   Number of factors of 30 = 8   8nswer :8
<result>A</result>
How many positive factors do 150 and 90 have in common?