Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 425 and 427 the smallest integer that is 181475 that is divisible by both numbers.
Least Common Multiple (LCM) of 425 and 427 is 181475.
LCM(425,427) = 181475
Least common multiple or lowest common denominator (LCD) can be calculated in three ways;
Least common multiple can be found by multiplying the highest exponent prime factors of 425 and 427. First we will calculate the prime factors of 425 and 427.
Prime Factorization of 425
5 | 425 |
5 | 85 |
17 | 17 |
1 |
Prime factors of 425 are 5,17. Prime factorization of 425 in exponential form is:
425 = 52×171
Prime Factorization of 427
7 | 427 |
61 | 61 |
1 |
Prime factors of 427 are 7,61. Prime factorization of 427 in exponential form is:
427 = 71×611
Now multiplying the highest exponent prime factors to calculate the LCM of 425 and 427.
LCM(425,427) = 52×71×171×611
LCM(425,427) = 181475
Factors of 425
List of positive integer factors of 425 that divides 425 without a remainder.
1, 5, 17, 25, 85, 425
Factors of 427
List of positive integer factors of 427 that divides 427 without a remainder.
1, 7, 61, 427
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 425 and 427, than apply into the LCM equation.
GCF(425,427) = 1
LCM(425,427) = ( 425 × 427) / 1
LCM(425,427) = 181475 / 1
LCM(425,427) = 181475
(i) The LCM of 427 and 425 is associative
LCM of 425 and 427 = LCM of 427 and 425
1. What is the LCM of 425 and 427?
Answer: LCM of 425 and 427 is 181475.
2. What are the Factors of 425?
Answer: Factors of 425 are 1, 5, 17, 25, 85, 425. There are 6 integers that are factors of 425. The greatest factor of 425 is 425.
3. What are the Factors of 427?
Answer: Factors of 427 are 1, 7, 61, 427. There are 4 integers that are factors of 427. The greatest factor of 427 is 427.
4. How to Find the LCM of 425 and 427?
Answer:
Least Common Multiple of 425 and 427 = 181475
Step 1: Find the prime factorization of 425
425 = 5 x 5 x 17
Step 2: Find the prime factorization of 427
427 = 7 x 61
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 181475 = 5 x 5 x 7 x 17 x 61
Step 4: Therefore, the least common multiple of 425 and 427 is 181475.