The greatest common divisor of two numbers is 15, the least common multiple is 180, and the large number is not a multiple of a decimal. What are the two numbers?

The greatest common divisor of two numbers is 15, the least common multiple is 180, and the large number is not a multiple of a decimal. What are the two numbers?

Analysis:
From the meaning of the title: 180 △ 15 = 12
12=2×2×3
Because large numbers are not multiples of decimals
That is, the large number is 15 × 2 × 2 = 60
The decimal is 15 × 3 = 45
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