Find the LCM of 90, 25, 180
Answers
Answer:
The instructions to find the LCM of 25, 90 and 180 are the next:
1. Decompose all numbers into prime factors
255551 902453153551 1802902453153551
2. Write all numbers as the product of its prime factors
Prime factors of 25=52Prime factors of 90=2 . 32 . 5Prime factors of 180=22 . 32 . 5
3. Choose the common and uncommon prime factors with the greatest exponent
Common prime factors: 5
Common prime factors with the greatest exponent: 52
Uncommon prime factors: 2 , 3
Uncommon prime factors with the greatest exponent: 22, 32
4. Calculate the Least Common Multiple or LCM
Remember, to find the LCM of several numbers you must multiply the common and uncommon prime factors with the greatest exponent of those numbers.
LCM = 52. 22. 32 = 900
Answer:
900
how did I find the answer
5 90, 25, 180
5 18, 5, 36
2 18, 1, 36
2 9, 1, 18
9 9, 1, 9
1, 1, 1
hope I helped mark as brainlist please