Web60 is a common multiple (a multiple of both 12 and 15), and there are no lower common multiples. Therefore, the lowest common multiple of 12 and 15 is 60. ... Find the HCF of 21 and 35 by following the steps below: (a) List the factors of 21 in the box below. Separate the factors with commas, like this: WebFind the LCM and HCF of 12, 15 and 21 by applying the prime factorization method. [2 MARKS] Solution Prime factorisation : 1 Mark H.C.F : 0.5 Mark L.C.M : 0.5 Mark 2 12 2 6 …
HCF of 12 and 16? - Answers
WebFollow the steps mentioned below to solve the problems of HCF. Step 1: Write the given numbers horizontally, in a sequence, by separating them with commas. Step 2: Find the smallest prime number which can divide the given number. It should exactly divide the given numbers. (Write on the left side). Step 3: Now write the quotients. WebThe HCF and LCM of 12, 21, 15 respectively are: A 3 and 420 B 12 and 420 C 3 and 140 D 420 and 3 Solution The correct option is A 3 and 420 3 and 420 Suggest Corrections 2 Similar questions Q. Find the LCM and HCF of the following integers by applying the prime factorisation method. (i) 12,15 and 21 (ii) 17,23 and 29 (iii) 8,9 and 25 this little light shine
Find the HCF and LCM of 6,72 and 120 using the prime ... - Toppr
WebFind the hcf of 15 and 21 - The only common factors are 1 and 3, and since 3 is greater than 1 then 3 is the highest common factor. Three other numbers, as. ... The HCF of 12, 15 and 21 is 3. The Highest Common Factor (HCF) is the greatest number that divides the given numbers exactly, without leaving any remainder. ... WebWhat is the HCF 12, 15 and 21? The Highest Common Factor (HCF) or the Greatest Common Divisor (GCD) of 12, 15 and 21 is 3. The only common prime factor of 12, 15 and 21 is 3. Hence, the Highest Common Factor of 12, 15 and 21 is 3. Figure out mathematic tasks Math is a subject that can be difficult to understand, but with practice and patience ... WebThe factors of 120 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120. The common factors of 20, 50 and 120 are 1, 2, 5 and 10. (Include only the factors common to all three numbers.) The greatest common factor of … this little light song