3 and 4
30 and 3
13 is prime. The LCM will therefore have to be the product of these two numbers.
If the HCF (Highest Common Factor) of two numbers is 1, then the two numbers are relatively prime and their LCM is the product of the two numbers.
First you Prime Factorize the two (or more) numbers. The LCM of the two (or more) numbers must contain all the prime factors of the two (or more) numbers that made it. To find the LOWEST common multiple, for each prime factor, find from one of the numbers where the prime factor has the highest power. The highest powers of each prime multiply together to form the LCM of the numbers. e.g. LCM of 36 and 24 36 = (2^2)(3^2) 24 = (2^3)3 LCM = (2^3)(3^2) = 72
There aren't two prime numbers whose LCM is 90.There aren't two prime numbers whose total is 23.Other than that...The two numbers you are looking for are 5 and 18, but only one of them is prime.
7 and 17
No. You can only find the LCM of at least two numbers, prime or otherwise. The LCM of any two prime numbers is their product.
Product of the two prime numbers is the LCM. For example 3, 7 have 21 as LCM
When two numbers are relatively prime, the LCM will be their product.
The Least Common Multiple (LCM) of two prime numbers is the product of the two prime numbers. This is because prime numbers only have themselves and 1 as factors, so their LCM is simply their product.
I guess you mean: The LCM of two prime numbers is 119; what are the two prime numbers? 119 = 7 x 17 The two prime numbers are 7 and 17.
When the numbers are co-prime.
Yes,LCM of two numbers is their product.
The LCM of two numbers is one of the numbers when one of the numbers is a multiple of the other. The LCM of two numbers is the product of the numbers when they are relatively prime. In all other cases (like consecutive even numbers that aren't 2 and 4) the LCM is as you describe.
Their product.
If the second number is a multiple of the prime number, than the LCM is the second number. If the second number is not a multiple of the prime number, then the two numbers are relatively prime, and the LCM is the product of the two numbers.