Guide · Maths · Roman Urdu

LCM Kaise Nikalein — Asaan Tareeqa

Updated: 31 October 2026 · Reading time: 4 minute
LCM kaise nikalein - least common multiple nikalne ka asaan tareeqa

School, college aur har test mein ye sawal zaroor aata hai: "LCM nikalo." LCM ka matlab hai Least Common Multiple — wo choti se choti taadad jo diye gaye numbers se poori taqseem ho jaye. Is guide mein 2 aasan tareeqe samjhayenge.

LCM Kya Hai?

Masalan 4 aur 6 ka LCM 12 hai — kyun ke 12 wo choti se choti taadad hai jo 4 se bhi poori taqseem hoti hai (12 ÷ 4 = 3) aur 6 se bhi (12 ÷ 6 = 2).

Tareeqa 1: Listing Method (Chotay Numbers Ke Liye)

Dono numbers ke multiples likhein, pehla mushtarik multiple hi LCM hai:

4 ke multiples: 4, 8, 12, 16, 20...
6 ke multiples: 6, 12, 18, 24...

Pehla mushtarik = 12 → LCM(4, 6) = 12

Tareeqa 2: Prime Factorization (Baray Numbers Ke Liye)

Step 1: Prime Factors Nikalein

12 = 2 × 2 × 3
18 = 2 × 3 × 3

Step 2: Har Prime Ki Zyada Se Zyada Power Lein

2² (12 se) × 3² (18 se) = 4 × 9 = 36

LCM(12, 18) = 36

LCM Aur GCF Mein Farq

  • LCM = choti se choti mushtarik multiple (12 aur 18 ka LCM = 36)
  • GCF = bara se bara mushtarik divisor (12 aur 18 ka GCF = 6)

Dono ka rishta: LCM × GCF = dono numbers ki zarb

36 × 6 = 216 = 12 × 18 ✓

LCM Kahan Kaam Aata Hai?

Common Sawalat

Teen numbers ka LCM kaise nikalein?

Wohi tareeqa — teenon ke prime factors nikalein, har prime ki max power lein, zarb kar dein. Masalan LCM(4, 6, 8) = 24.

Kya LCM hamesha numbers se bara hota hai?

Aksar haan, lekin jab aik number doosre ka multiple ho to bara number hi LCM hota hai — masalan LCM(4, 8) = 8.

GCF kaise nikalein?

Prime factors mein jo mushtarik hon, un ki kam se kam power lein. Hamara LCM & GCF calculator dono aik saath nikalta hai.

🧮 Free LCM & GCF Calculator Try Karein

Numbers daalein — LCM aur GCF foran, steps ke saath.

LCM Calculator Kholein →

Related Guides

← All 12 free calculators