WebThere are two methods of finding the H.C.F. of a given set of numbers : 1. Factorization Method : Express each one of the given numbers as the product of prime factors.The product of least powers of common prime factors gives H.C.F. 2. Division Method: Suppose we have to find the H.C.F. of two given numbers. WebJul 21, 2024 · Best answer 72 = 23 x 32 , 108 = 33 x 22 , 2100 = 22 x 52 x 3 x 7. L.C.M. = 23 x 33 x 52 x 7 = 37800. ← Prev Question Next Question → Find MCQs & Mock Test …
Find the L.C.M.. of 72, 108 and 2100. EXAMIANS
WebMay 25, 2024 · 72 = 2*2*2*3*3 =2³*3². 108 = 2*2*3*3*3 = 2²*3³. 2100 = 2*2*3*5*5*7 = 2²*3*5²*7. LCM = 2³*3³*5²*7= 37800. HCF = 2²*3 = 12. Hope it helps.... :) Advertisement. WebLCM (a, b) × HCF (a, b) = a × b Solved Examples Example 1: Find the LCM of 18 and 24 using the prime factorization method. Solution: LCM = 2 × 2 × 2 × 3 × 3 = 72 Example 2: Find the smallest number divisible by 9 and 15. Solution: The smallest number divisible by 9 and 15 is the LCM of 9 and 15. LCM = 3 × 3 × 5 = 45 melanie edmundson school of dance
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WebAug 24, 2024 · 72 = 2 3 x 3 2. 108 = 2 2 x 3 3. 2100 = 2 3 x 3 3 x 5 2 x 7 1. Step 2 : Write each of the prime factors to their highest available power. i.e 2 3 x 3 1 x 5 2 x 7 1 = … WebFeb 8, 2024 · LCM of 72 108 and 2100 Last Night Study 73.3K subscribers Join Subscribe 53 4.1K views 2 years ago Show more Show more Video 58: Finding LCM of … WebThe least common multiple or lowest common multiples is the least number which is divisible by the numbers for which you are finding the LCM. For example: The L.C.M of 3, 5 and 6 is 30 . This means that the 30 is the common number that can be divided by any of the numbers between 3,5 and 6 to get the answer in integers. napkin bands for weddings