The last Sura which was revealed in full was Baraa (i.e. Sura-at-Tauba), and the last Sura (i.e. part of a Sura) which was revealed was the last Verses of Sura-an-Nisa':-- "They ask you for a legal decision. Say: Allah directs (thus) About those who have No descendants or ascendants As heirs." (4.177)  

آخِرُ سُورَةٍ نَزَلَتْ كَامِلَةً بَرَاءَةٌ وَآخِرُ سُورَةٍ نَزَلَتْ خَاتِمَةُ سُورَةِ النِّسَاءِ {يَسْتَفْتُونَكَ قُلِ اللَّهُ يُفْتِيكُمْ فِي الْكَلاَلَةِ}  

The last Sura that was revealed was Bara'a, and the last Verse that was revealed was: "They ask you for a legal verdict, Say: Allah's directs (thus) about those who leave no descendants or ascendants as heirs." (4.176)  

آخِرُ سُورَةٍ نَزَلَتْ بَرَاءَةَ وَآخِرُ آيَةٍ نَزَلَتْ {يَسْتَفْتُونَكَ }  

The last Qur'anic Verse that was revealed (to the Prophet) was the final Verse of Surat-an-Nisa, i.e., 'They ask you for a legal verdict Say: Allah directs (thus) About those who leave No descendants or ascendants as heirs....' (4.176)  

آخِرُ آيَةٍ نَزَلَتْ خَاتِمَةُ سُورَةِ النِّسَاءِ {يَسْتَفْتُونَكَ قُلِ اللَّهُ يُفْتِيكُمْ فِي الْكَلاَلَةِ}  

" They ask thee for a religious verdict; say: Allah gives you a religious verdict about Kalala (the person who has neither parents nor children)" (iv 177).  

آخِرُ آيَةٍ أُنْزِلَتْ مِنَ الْقُرْآنِ { يَسْتَفْتُونَكَ قُلِ اللَّهُ يُفْتِيكُمْ فِي الْكَلاَلَةِ}  

The last verse revealed (in the Holy Quran) is that pertaining to Kalala, and the last sura revealed is Sura al-Bara'at.  

سَمِعْتُ الْبَرَاءَ بْنَ عَازِبٍ يَقُولُ آخِرُ آيَةٍ أُنْزِلَتْ آيَةُ الْكَلاَلَةِ وَآخِرُ سُورَةٍ أُنْزِلَتْ بَرَاءَةُ  

The last verse revealed about the decease who left no descendants or ascendants: "They ask thee for the legal decision. Say: Allah directs (thus) about those who leave no descendants or ascendants as heirs."  

آخِرُ آيَةٍ نَزَلَتْ فِي الْكَلاَلَةِ { يَسْتَفْتُونَكَ قُلِ اللَّهُ يُفْتِيكُمْ فِي الْكَلاَلَةِ }  

"The last Ayah revealed" or, "The last thing revealed was: They ask you about a legal verdict. Say: 'Allah directs (thus) regarding Al-Kalalah (4:176).'"  

آخِرُ آيَةٍ أُنْزِلَتْ أَوْ آخِرُ شَيْءٍ نَزَلَ ( يَسْتَفْتُونَكَ قُلِ اللَّهُ يُفْتِيكُمْ فِي الْكَلاَلَةِ )  

[Machine] The last complete Surah revealed to the Prophet ﷺ is Surah Al-Baraat, and the last verse revealed is the concluding verse of Surah An-Nisa: "They ask you for a legal verdict. Say: Allah gives you a verdict concerning distant relatives" (An-Nisa 176), until the end of the Surah.  

آخِرُ سُورَةٍ نَزَلَتْ عَلَى النَّبِيِّ ﷺ كَامِلَةً بَرَاءَةُ وَآخِرُ آيَةٍ نَزَلَتْ خَاتِمَةُ سُورَةِ النِّسَاءِ {يَسْتَفْتُونَكَ} [النساء 176] إِلَى آخِرِالسُّورَةِ  

The last verse revealed about the decease who left no descendants or ascendants: "They ask thee for the legal decision. Say: Allah directs (thus) about those who leave no descendants or ascendants as heirs." (Using translation from Abū Dāʾūd 2888)   

آخِرُ آيَةٍ نَزَلَتْ {يَسْتَفْتُونَكَ قُلِ اللهُ يُفْتِيكُمْ فِي الْكَلَالَةِ} [النساء 176]  

The last verse revealed about the decease who left no descendants or ascendants: "They ask thee for the legal decision. Say: Allah directs (thus) about those who leave no descendants or ascendants as heirs." (Using translation from Abū Dāʾūd 2888)   

آخِرُ آيَةٍ نَزَلَتْ {يَسْتَفْتُونَكَ قُلِ اللهُ يُفْتِيكُمْ فِي الْكَلَالَةِ} [النساء 176]  

The last Verse that was revealed was: 'They ask you for a legal verdict: Say: Allah directs (thus) about Al-Kalalah (those who leave no descendants or ascendants as heirs).' And the last Sura which was revealed was Baraatun (9) . (Using translation from Bukhārī 4654)   

سَمِعْتُ الْبَرَاءَ يَقُولُ «آخِرُ آيَةٍ نَزَلَتْ آيَةُ الْكَلَالَةِ وَآخِرُ سُورَةٍ نَزَلَتْ بَرَاءَةٌ»  

"عَنْ الْبَرَاءِ قَالَ: آخِرُ آيَةٍ أُنْزِلَتْ فِي الْقُرآنِ {يَسْتَفْتُونَكَ قُلِ اللَّهُ يُفْتِيكُمْ فِي الْكَلَالَةِ} ".