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ANSWER: 5, 7, 135 * 7 * 13 = 455
455 = 5 x 7 x 13
To calculate 7 x 65, you would multiply 7 by 60 and then add 7 times 5. This would result in 420 (7 x 60) + 35 (7 x 5) = 455. Therefore, 7 x 65 equals 455.
The prime factorization of 455 is: 5 x 7 x 13