Question

Find the least number by which the following will be multiplied by 80 that the product is perfect

Answer 1

Answer:

80/2 =40

40/2=20

20/2=10

10/2=5

5/5=2

the primes are 2*2*2*2*5*5

make in pairs of 2

so v have 3 groups.

take one number from each group

2*2*5= 20

so 20*80 gives u a perfect number thank u give me a heart if u like