Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1474 and 1478 the smallest integer that is 1089286 that is divisible by both numbers.
Least Common Multiple (LCM) of 1474 and 1478 is 1089286.
LCM(1474,1478) = 1089286
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 1474 and 1478. First we will calculate the prime factors of 1474 and 1478.
Prime Factorization of 1474
2 | 1474 |
11 | 737 |
67 | 67 |
1 |
Prime factors of 1474 are 2, 11,67. Prime factorization of 1474 in exponential form is:
1474 = 21×111×671
Prime Factorization of 1478
2 | 1478 |
739 | 739 |
1 |
Prime factors of 1478 are 2,739. Prime factorization of 1478 in exponential form is:
1478 = 21×7391
Now multiplying the highest exponent prime factors to calculate the LCM of 1474 and 1478.
LCM(1474,1478) = 21×111×671×7391
LCM(1474,1478) = 1089286
Factors of 1474
List of positive integer factors of 1474 that divides 1474 without a remainder.
1, 2, 11, 22, 67, 134, 737, 1474
Factors of 1478
List of positive integer factors of 1478 that divides 1478 without a remainder.
1, 2, 739, 1478
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1474 and 1478, than apply into the LCM equation.
GCF(1474,1478) = 2
LCM(1474,1478) = ( 1474 × 1478) / 2
LCM(1474,1478) = 2178572 / 2
LCM(1474,1478) = 1089286
(i) The LCM of 1478 and 1474 is associative
LCM of 1474 and 1478 = LCM of 1478 and 1474
1. What is the LCM of 1474 and 1478?
Answer: LCM of 1474 and 1478 is 1089286.
2. What are the Factors of 1474?
Answer: Factors of 1474 are 1, 2, 11, 22, 67, 134, 737, 1474. There are 8 integers that are factors of 1474. The greatest factor of 1474 is 1474.
3. What are the Factors of 1478?
Answer: Factors of 1478 are 1, 2, 739, 1478. There are 4 integers that are factors of 1478. The greatest factor of 1478 is 1478.
4. How to Find the LCM of 1474 and 1478?
Answer:
Least Common Multiple of 1474 and 1478 = 1089286
Step 1: Find the prime factorization of 1474
1474 = 2 x 11 x 67
Step 2: Find the prime factorization of 1478
1478 = 2 x 739
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1089286 = 2 x 11 x 67 x 739
Step 4: Therefore, the least common multiple of 1474 and 1478 is 1089286.