There are two prime factors of 45, they are 3 and 5. The prime factors of 54 are 2 and 3.
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No. 54 isn't prime.
The greatest common factor of 54, 5, 36, and 45 is 1.
9 is paired with 6 to give you 54. 9x6 is 54.
9.Why? Because 9 x 6 = 54, and 9 x 5 = 45. No number larger than 9 is both a factor of 54 AND 45.
9