Jesus Olivares, federal prisoner #20583-077, appeals the district court’s denial of his motion for resentencing under Amendment 505 of the United States Sentencing Guidelines and the Sixth Amendment pursuant to 18 U.S.C. § 3582(c)(2). He argues that the district court erred in not stating whether it had considered the factors set forth in 18 U.S.C. § 3553(a) in its order denying his 18 U.S.C. § 3582(c)(2) motion. Specifically, the district court determined that Olivares had previously filed an 18 U.S.C. § 3582(c)(2) motion seeking resentencing under Amendments 439, 500, and 505, which the district court had denied. The district court also determined that his Sixth Amendment claim was based on Blakely v. Washington, 542 U.S. 296, 124 S.Ct. 2531, 159 L.Ed.2d 403 (2004) and United States v. Booker, 543 U.S. 220, 125 S.Ct. 738, 160 L.Ed.2d 621 (2005), and that this claim was not cognizable in an 18 U.S.C. § 3582(c)(2) motion because it was not based on a retroactive amendment to the Guidelines. The district court also noted in its initial denial of Olivares’s first 18 U.S.C. § 3582(c)(2) motion that even if Amendment 505 were applied retroactively, Olivares would still have been subject to a term of life imprisonment. The district court’s implicit consideration of the factors set forth in 18 U.S.C. § 3553(a) was sufficient. See United States v. Whitebird, 55 F.3d 1007, 1010 (5th Cir.1995); see also United States v. Gonzalez-Balderas, 105 F.3d 981, 984 (5th Cir.1997).
Olivares also argues that the district court erred in determining that his constitutional claim was based on Blakely and Booker. He argues that he was merely asking that the district court respect his constitutional rights while it was considering his 18 U.S.C. § 3582(c)(2) motion. The district court did not err in determining that Olivares’s Sixth Amendment claim and his constitutional claims challenging the sentencing enhancement were based on Blakely and Booker although he did not cite these cases. The district court correctly determined that Olivares’s challenge to the sentencing enhancements was not cognizable under 18 U.S.C. § 3582(c)(2) because the claim was not based on a retroactive amendment to the Guidelines. See United States v. Shaw, 30 F.3d 26, 29 (5th Cir.1994). Even if the court misinterpreted Olivares’s claim, Olivares is not entitled to relief on this ground because he has not demonstrated that the district court violated any of his constitutional rights in its consideration and denial of his 18 U.S.C. § 3582(c)(2) motion. Therefore, the district court’s denial of Olivares’s 18 U.S.C. § 3582(c)(2) motion is AFFIRMED.