IGCSE Maths 0580 NUMBER Part 1: Types of Number, Primes, HCF & LCM (Core)

Cambridge IGCSE Maths 0580 Number Foundation: types of number, prime factors, HCF and LCM, for Core and Extended students worldwide. Taught step by step, with worked examples and a question to try. This is Syllabus 1.1 (Core and Extended). You do not need any earlier knowledge. Calculators are not allowed in this lesson, so work every step by hand (Paper 2, non-calculator). In this lesson you will learn to: • name the types of number: natural, integer, prime, square, cube and factor • write a number as a product of prime factors with a factor tree (126 = 2 × 3² × 7) • find the HCF (highest common factor) and LCM (lowest common multiple) of two numbers (126 and 210: HCF = 42, LCM = 630) Try this: write 84 as a product of prime factors, then find the LCM of 12 and 18. Check your answers in the comments. ▶ Full course playlist:    • The Ultimate IGCSE Maths 0580 A* Mastercla...   🔔 Subscribe for every lesson:    / @nurnabisirigcse   Keywords: IGCSE maths 0580, Cambridge IGCSE maths, IGCSE number foundation, types of number, prime factors, prime factorisation, factor tree, HCF, LCM, highest common factor, lowest common multiple, IGCSE maths for beginners, Grade 9 maths. If this helped, please like, subscribe and turn on notifications. Share it with a friend who studies IGCSE Maths, and write your questions in the comments. I read every comment and reply. 🎓 PRIVATE ONLINE TUITION with Nur Nabi Sir (IGCSE Maths, Physics, Chemistry & Biology) • One-to-One lessons: a personal plan, your own pace, your weak topics fixed. • Small-Batch classes: a small group of serious students, live online, with exam-style practice. Both include past-paper practice, exam technique and doubt clearing. Students and parents worldwide are welcome. 💬 WhatsApp: https://wa.me/966533147491 (+966 53 314 7491) 📩 Email: nurnabisirigcse@gmail.com 🏠 HOME TUITION IN JEDDAH: face-to-face lessons, booked on WhatsApp. Message me for a FREE trial class, and please include your name, subject, exam board, grade and time zone. #IGCSE #IGCSEMaths #CambridgeIGCSE #Maths0580 #NumberFoundation #MathsRevision