Question

find factors of 420 whose sum or difference is 1​

Answer 1

Answer:

2 and 3

Step-by-step explanation:

2×2×5×7×3=420

the difference between 3 and 2 is 1

Answer 2

The factors of 420 are 1,2,3,4,5,6,7,10,12, 14,15,20,21,28,30,35,42,60,70,84,105,140, 210,420.

2-1=1

3-2=1

4-3=1

5-4=1

6-5=1

7-6=1

these are the factors of 420 whose difference is 1