WebApr 11, 2024 · 8. Find HCF and LCM of the following numbers : (i) 15, 21, 27, (ii) 16, 48, 72 (iii) 28, 84, 98 9. The HCF and LCM of two numbers are 4 and 2920 respectively. If one of the number find other. 10. The product of two numbers is 1600 . If their HCF is 20 , find their LCM. 11. If LCM of two coprime numbers is 221 and one number is 13. Find the ... WebDec 1, 2024 · And to find the relation between the LCM and HCF of two different numbers first, we need to find the highest common factor of 15 and 18 which is 3. And the exact …
LCM of 12, 15 and 21 - How to Find LCM of 12, 15, 21? - Cuemath
WebSep 26, 2024 · Factorization of 12, 15 and 21 Here, 31 is the smallest power of the common factor 3. So, HCF (12, 15, 21) = 3 22 × 31 × 51 × 71 are the greatest powers of the prime factors 2, 3, 5 and 7 respectively involved in the given three numbers . LCM of these three integers = 2 × 2 × 3 × 5 × 7 = 420 ← Prev Question Next Question → Find MCQs & Mock Test WebApr 8, 2024 · Therefore HCF of 36, 48, 60 is 12. 2. Fin d the LCM of the following numbers: 25. 40. Solution: 25 = 5 x 5. ... LCM of 3 and 5 will be, 3 × 5 = 15. Hence, we can say that the LCM of two co-prime numbers is nothing but their product. ... Least Common Multiple i.e. LCM is a method to find the minimum common multiple between any two or more numbers. change navigation bar color android studio
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WebClass 10 math (India) Course: Class 10 math (India) > Unit 1 Lesson 3: HCF and LCM HCF visualized LCM visualized HCF & LCM of three numbers Google Classroom You might need: Calculator Find the highest common factor of 8, 18 8,18 and 26 26. \text {HCF} (8,18,26) = HCF(8,18,26) = Show Calculator Stuck? Use a hint. Report a problem 7 4 1 x x y y WebNov 17, 2024 · LCM of 12, 15 and 21 = 2² × 3 × 5 × 7 = 420 HCF of 12, 15 and 21 = 3 Hence, LCM and HCF of 12, 15 and 21 are 420 and 3 respectively. (ii) 17, 23 and 29 The prime factors of 17, 23 and 29 are :- 17 = 17 23 = 23 29 = 29 LCM of 17, 23 and 29 = 17 × 23 × 29 = 11339 HCF of 17, 23 and 29 = 1 Hence, WebJan 31, 2024 · Solution: Use the same remainder formula and we get answer as 4. Ques 3: Find the greatest number which on dividing 1657 and 2037, leaves a remainder of 6 and 5 respectively. Solution: Use same remainder for each formula and we get 127. Ques 4: The sum of two numbers is 216 and their HCF is 27. hardware glue