53 and 85 do and are.
120 + 138
You don't generally add punctuation to numbers.
155
138/2 - 44 = 25 138/2 + 44 = 113 113 + 25 = 138 The two numbers are therefore 113 and 25.
2,628,071 and 2,628,073. 138 cubed is 2,628,072
-161
Its indefinite: Start with 0,1 add last two numbers = 1 add to sequence = 0,1,1 add last two numbers = 2 add to sequence = 0,1,1,2 add last two numbers = 3 add to sequence = 0,1,1,2,3 add last two numbers = 5 add to sequence = 0,1,1,2,3,5 add last two numbers ......... add to sequence ..........
-161
Apart from 2 all even numbers are composite numbers because they have more than two factors.
There are not common factors of 138 because there cannot be common factors without two or more numbers to compare. Common factors are factors that the numbers being compared have in common. The factors of 138 are 1, 2, 3, 6, 23, 46, 69, and 138.
Add two numbers.
You must add either two odd numbers or two even numbers.