Examples to find Least Common Multiple by using Prime Factorization Method. To find Least Common Multiple by using Prime Factorization Method. 2.Find the greatest number which is less by 2 to divide 24, 28 and 64Ĭommon Multiples. The wires are to be cut into pieces of equal length. Let us consider some of the word problems on H.C.F. Has the same number of marigold plants and the same number of rose plants. What is the greatest number of rows possible if each row (xviii) Shane wants to plant 28 marigold plants and 36 rose Where the digit at tens place is double the digit at hundreds place. (xvii) Find a multiple of 120 which lies between 400 and 500 Has odd digits at tens and hundreds place. (xvi) Find a multiple of 70 which is between 200 and 600 which (xv) Mary has a dance class every 2 nd day and On which of the steps will both meet if both start jumping together? (xiv) Sam can jump 4 steps at a time and Nina can jump 5 stepsĪt a time. Find the longest tape which can measure the (xiii) The length, breadth, height of a room are 6 m 80 cm, 5 mġ0 cm and 3 m 40 cm respectively. (xii) Find the greatest number of 5-digits which on being dividedīy 9, 12, 24 and 45 leaves 3, 6, 18 and 39 as remainders respectively. (xi) The HCF of two numbers is 6, if one of the numbers is 42, Will they meet in the mall in the month of December and January if we start (x) Sara goes to the shopping mall every 6 th day.Īndy goes to the same shopping mall every 7 th day. Shelly has to work in rooms where the room number is a multiple of 5. Victor has to work in rooms where the room number is a multiple of 3. Rooms of a hotel which are numbered from 15 – 200. (ix) Three painters Ron, Victor and Shelly are painting the Line A and B leave together between 8 a.m. In a day, how many times do buses on both Buses on line A leave after every 15 minutes while Buses on (viii) The local bus service has 2 lines of buses that start (vii) A certain number of students can be arranged in groups ofģ, 4, 6 or 8 with no student left behind. (vi) 210 oranges, 252 apples and 294 pears are equally packed (v) What is the least number of saplings that can be arranged (iv) Find the greatest number of 4-digits which is exactly Whole number of pieces of lengths 45 cm, 75 cm and 81 cm. (iii) Find the least length of a rope which can be cut into It, is exactly divisible by 32, 36, 48 and 96. (ii) Find the smallest number which, on being added 23 to Common factor (H.C.F.) and lowest common multiple (L.C.M.):
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