Utah Code Ann. § 76-4-102
(1) Criminal attempt to commit:
(a)
(c) any of the following offenses is a first degree felony punishable by imprisonment for an indeterminate term of not fewer than three years and which may be for life:
(d) except as provided in Subsection (3), any of the following offenses is a first degree felony, punishable by a term of imprisonment of not less than 15 years and which may be for life:
(2) If, when imposing a sentence under Subsection (1)(a)(ii), a court finds that a lesser term than the term described in Subsection (1)(a)(ii) is in the interests of justice and the court states the reasons for this finding on the record, the court may impose a term of imprisonment of not less than:
(3) If, when imposing a sentence under Subsection (1)(d), a court finds that a lesser term than the term described in Subsection (1)(d) is in the interests of justice and states the reasons for this finding on the record, the court may impose a term of imprisonment of not less than: