For two numbers (let's call them a & b), the least common multiple is the smallest number that is an integer multiple of both a and b. For example, given the numbers 12 and 18, their least common multiple is 36, because of 3x12=36 and 2x18=36. A least common multiple can never be greater than the product of the two numbers because b times a is the b-the multiple of a, and the a the multiple of b. For example, the least common multiple of 7 and 11 is 77 because multiples of 7 are 14, 21, 28, 35, 42, 49, 56, 63, 70 and 77 and multiples of 11 are 22, 33, 44, 55, 66, 77, so 77 is the first one that is a multiple of both numbers. (BTW, 7 & 11 can be your first pair).The least common multiple of two numbers is the product of the two numbers when those numbers are relatively prime to each other, that is to say, that the two numbers do not share a factor in common (except for 1). For example, the least common multiple of 9 and 8 is their product 72. While neither 9 nor 8 are prime numbers, the factors of 9 are 3*3 and of 8 are 2*2*2. Since they share no factors in common, their product will be the least common multiple. (Multiples of 9 are 18, 27, 36, 45, 54, 63, and 72; Multiples of 8 are 16, 24, 32, 40, 48, 56, 64, and 72). (BTW, 8 & 9 could be your 2nd pair.So to construct a pair of numbers whose product is their least common multiple all you need to do is create two lists of prime factors, one for each number, where none of their factors overlap. While a number can be on one list multiple times (like the number 2 for 8 or the number 3 for 9), the same number cannot be on the list for both a and b. The first six prime numbers are 2, 3, 5, 7, 11, and 13. You can mix and match them however you'd like (following the rule above) to create your third pair of numbers. If you comment your choice, I'd be happy to confirm whether you have successfully constructed such a pair. -Hope this help #Hackerhelper
I was going to give the answer but i keep getting it wrong, I am so sorry for wasting your time. IK i shouldn't be answering if I dont have the answer but i need the points. I feel terrible about this.
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For some unknown reason, Brainly won't post my answer as it assumes the answer has inappropriate words or a link. So, I added the answer in the attached image. Kindly check it.
