Common divisors

Find all common divisors of numbers 30 and 45.

Correct answer:

d = 1, 3, 5, 15

Step-by-step explanation:

30 = 2⋅ 3⋅ 5 45 = 32 ⋅  5  30: 1, 2, 3, 5, 6, 10, 15, 30 45: 1, 3, 5, 9, 15, 45  d=1,3,5,15

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