WebSo, HCF of 378, 180 and 420 is 2 × 3 = 6 And LCM of 378, 180 and 420 is 2 × 2 × 3 × 3 × 3 × 5 × 7 = 3780 3Thank You ANSWER Related Questions name the quadrilateral formed if any by the following points and give reasons for your answers i) a (2,-2) b (7,3) c (1,-1) d … WebFirst, we will find out the prime factors of 378, 180 and 420 Prime factors of 378 = 2 × 3 × 3 × 3 × 7. Prime factors of 180 = 2 × 2 × 3 × 3 × 5. Prime factors of 420 = 2 × 2 × 3 × 5 × 7. So, H.C.F of 378, 180 and 420 is 2 × 3 = 6 (being product of the least power of each …
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WebStep 1: Find the smallest prime number that is a factor of at least one of the numbers, 378, 180, and 420. Write this prime number (2) on the left of the given numbers (378, 180, and 420), separated as per the ladder arrangement. Step 2: If any of the given numbers (378, … WebThere are multiple ways to find the greatest common factor of given integers. One of these involves computing the prime factorizations of each integer, determining which factors they have in common, and multiplying these factors to find the GCD. Refer to the example below. EX: GCF (16, 88, 104) 16 = 2 × 2 × 2 × 2. 88 = 2 × 2 × 2 × 11. hot kimchi crestview
For 378, 180 and 420, Is H.C.F × L.C.M of three numbers equal to …
WebFind HCF of 378,180 and 420 by prime factorisation method. Is HCF x LCM of three numbers equal to the product of the three numbers? Solution: 378 = 2 x 33 x 7 180 = 22 x 32 x 5 420 = 22 x 3 x 5 x 7 ∴ HCF (378, 180, 420) = 2 x 3 = 6. No. HCF (p, q, r) x LCM (p, q, r) ≠ p x q x r. where p, q, r are positive integers. 2013 WebThe GCF of 180 and 420 is 60. Steps to find GCF Find the prime factorization of 180 180 = 2 × 2 × 3 × 3 × 5 Find the prime factorization of 420 420 = 2 × 2 × 3 × 5 × 7 To find the GCF, multiply all the prime factors common to both numbers: Therefore, GCF = 2 × 2 × 3 … WebFactor all three numbers common number in all Three number then hcf and power mutiply then lcm Lcm×hcf=a×b×c. 420 = 2x2x3x5x7. ⇒ L.C.M ( 378,180,420) x H.C.F ( 378,180,420) ≠ 378 x 180 x 420. ⇒ 3780 x 6 ≠ 378 x 180 x 420. ∴ 22680 ≠ 28576800. ∴HCF and LCM … hot king instruments company