Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 704 and 712 the smallest integer that is 62656 that is divisible by both numbers.
Least Common Multiple (LCM) of 704 and 712 is 62656.
LCM(704,712) = 62656
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 704 and 712. First we will calculate the prime factors of 704 and 712.
Prime Factorization of 704
2 | 704 |
2 | 352 |
2 | 176 |
2 | 88 |
2 | 44 |
2 | 22 |
11 | 11 |
1 |
Prime factors of 704 are 2,11. Prime factorization of 704 in exponential form is:
704 = 26×111
Prime Factorization of 712
2 | 712 |
2 | 356 |
2 | 178 |
89 | 89 |
1 |
Prime factors of 712 are 2,89. Prime factorization of 712 in exponential form is:
712 = 23×891
Now multiplying the highest exponent prime factors to calculate the LCM of 704 and 712.
LCM(704,712) = 26×111×891
LCM(704,712) = 62656
Factors of 704
List of positive integer factors of 704 that divides 704 without a remainder.
1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 176, 352, 704
Factors of 712
List of positive integer factors of 712 that divides 712 without a remainder.
1, 2, 4, 8, 89, 178, 356, 712
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 704 and 712, than apply into the LCM equation.
GCF(704,712) = 8
LCM(704,712) = ( 704 × 712) / 8
LCM(704,712) = 501248 / 8
LCM(704,712) = 62656
(i) The LCM of 712 and 704 is associative
LCM of 704 and 712 = LCM of 712 and 704
1. What is the LCM of 704 and 712?
Answer: LCM of 704 and 712 is 62656.
2. What are the Factors of 704?
Answer: Factors of 704 are 1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 176, 352, 704. There are 14 integers that are factors of 704. The greatest factor of 704 is 704.
3. What are the Factors of 712?
Answer: Factors of 712 are 1, 2, 4, 8, 89, 178, 356, 712. There are 8 integers that are factors of 712. The greatest factor of 712 is 712.
4. How to Find the LCM of 704 and 712?
Answer:
Least Common Multiple of 704 and 712 = 62656
Step 1: Find the prime factorization of 704
704 = 2 x 2 x 2 x 2 x 2 x 2 x 11
Step 2: Find the prime factorization of 712
712 = 2 x 2 x 2 x 89
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 62656 = 2 x 2 x 2 x 2 x 2 x 2 x 11 x 89
Step 4: Therefore, the least common multiple of 704 and 712 is 62656.