Best Answer

81=9^2

9+9=18

77=7*11

7+11=18

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The prime factors of 18 are 2, 3, and 3. The product of these prime factors is 18.

The distinct prime factors of 18 are 2 and 3. The product of these distinct prime factors is 6.

The factor pairs of 18 are (18,1)(9,2)(6,3) No pair consists of prime numbers. The best we can do is 2 x 3 x 3.

The common prime factors of 12 and 18 are 2 and 3.

18 and 36, among many others.

18 and 36, among others.

They are: 2 and 3

2 and 3

12 and 18

Q: What are 2 composite numbers between 10 and 20 whose LCM is 36?

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You need at least two numbers to find an LCM. It doesn't matter whether they are prime or composite.

They are 2 and 140 because their LCM is 140 and their product is 280

They could be: 17 and 149

10 and 35

As written, no numbers satisfy those conditions. 6 and 36 have a GCF of 6 and an LCM of 36.

Related questions

6,364 and 9

They are 4 and 9

Not normally because the LCM of numbers are found by multiplying their highest prime factors

You need at least two numbers to find an LCM. It doesn't matter whether they are prime or composite.

When the numbers are relatively prime.

20 and 100.GCF is 20, and LCM is 100.

LCM of 7 and 13Since 7 and 13 are both prime numbers, or numbers whose only factors are 1 and itself, the LCM can be found by multiplying 7 and 13 together. The answer will be 91.Though multiplying the numbers together when working with composite numbers MIGHT work, it only works 100% of the time when both numbers are prime. If one or both numbers are composite (have more factors than 1 and itself), multiples should be listed until a common one is found. That number will be the LCM.The LCM of 7 and 13 is 91.

When the numbers are relatively prime.

well, look at the factors of 16...we have 2,4,8, and16.So if we had LCM of 8 and 16, that would be 16 an both are composite

The pair of numbers whose GCF is 1 and LCM is 36 is 9 and 4. The numbers should be greater than their GCF and less than their LCM.

60, 120 and 1440 have a GCF of 60 and an LCM of 1440. I'm not sure what the "times 4" refers to.

30 and 3