2.8182
31
155
155
5. 155/5=31
19.375
25
22.1429
23.6516
To find the highest common factor (HCF) of 55 and 155, we first need to list the factors of each number. The factors of 55 are 1, 5, 11, and 55. The factors of 155 are 1, 5, 31, and 155. The highest common factor is the largest number that both lists share, which in this case is 5. Therefore, the highest common factor of 55 and 155 is 5.
155
The GCF is: 5
5