Their least common multiple (or their product - any multiple will do), and any multiple of that.
And in case that's 2, 3 and 5, try 30 and 60.
two numbers that have factors of 2, 5 and 7 are 70 and 140.
The prime numbers (factors) of 115 are: 5 and 23
1, 5, 23, 1151, 2, 5, 10, 23, 46, 115, 230
The factors of the set are 1,2,3,5. All three numbers are primes, so each has just two factors: itself and 1.2 = 1, 23 = 1, 35 = 1, 5
Factors refer to whole numbers, not decimals.
If that's 23 and 5, 115 and 230 If that's 2, 3 and 5, 30 and 60
The two numbers are 9 and 23. 23-9 = 14 23-(2*9) = 5
Since 115 ends in five, it will divide by '5'. Hence '5' is one of the factors. 5)115 = 23 Hence '23' is the other factor. Since '23' is a prime number, there are no other factors for 115 , but 5, and 23. except '1' & 115'.
The number 21 would be the answer. 19 and 23 only have two factors, 1 and themselves, as they are prime numbers. 25 only has 1, 25 and 5. 21 has 1, 21, 3 and 7 for 4 possible factors.
10, 20, and 30 all have factors of 2 and 5
115 is a composite number because it has factors other than 1 and itself. It is not a prime number.The 4 factors of 115 are 1, 5, 23, and 115.The factor pairs of 115 are 1 x 115 and 5 x 23.The proper factors of 115 are 1, 5, and 23 or,if the definition you are using excludes 1, they are 5 and 23.The prime factors of 115 are 5 and 23.The 2 distinct prime factors (listing each prime factor only once) of 115 are 5 and 23.The prime factorization of 115 is 5 x 23.NOTE: There cannot be common factors, a greatest common factor, or a least common multiple because "common" refers to factors or multiples that two or more numbers have in common.