75 25,3 5,5,3
2 ^ 1 2
144 72,2 36,2,2 18,2,2,2 9,2,2,2,2 3,3,2,2,2,2
step 1: list all of the prime numbers that go into 36 and 145. 2*2*3*3=36 5*29=145 step 2: find all the common prime numbers between both sets. because there are no common prime numbers, the answer has to be 1.
To find the least common multiple of two numbers, the first step is to break them down into their prime factors. In this case: 8 = 2x2x2 18 = 2x3x3 The second step is to identify common prime factors. In this case both numbers have a 2 as a prime factor, so we can discard on of these. Take all the other prime factors (2, 2, 2, 3 and 3) and multiply them together for the lcm: 2x2x2x3x3 = 72. Thus the least common multiple of 8 and 18 is 72.
yes its 3x5x5
75 25,3 5,5,3
75 25,3 5,5,3
2 ^ 1 2
1040 520,2 260,2,2 130,2,2,2 65,2,2,2,2 13,5,2,2,2,2
144 72,2 36,2,2 18,2,2,2 9,2,2,2,2 3,3,2,2,2,2
290 145,2 29,5,2 2 x 5 x 29 = 290
The prime factorization of 93 is 3 x 31. Draw it however you wish.
it is a way of finding out all of the prime numbers that you have to multiply to equal the desired number.
It is: 2*2*5*5 = 100
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