Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 698 and 700 the smallest integer that is 244300 that is divisible by both numbers.
Least Common Multiple (LCM) of 698 and 700 is 244300.
LCM(698,700) = 244300
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 698 and 700. First we will calculate the prime factors of 698 and 700.
Prime Factorization of 698
2 | 698 |
349 | 349 |
1 |
Prime factors of 698 are 2,349. Prime factorization of 698 in exponential form is:
698 = 21×3491
Prime Factorization of 700
2 | 700 |
2 | 350 |
5 | 175 |
5 | 35 |
7 | 7 |
1 |
Prime factors of 700 are 2, 5,7. Prime factorization of 700 in exponential form is:
700 = 22×52×71
Now multiplying the highest exponent prime factors to calculate the LCM of 698 and 700.
LCM(698,700) = 22×52×71×3491
LCM(698,700) = 244300
Factors of 698
List of positive integer factors of 698 that divides 698 without a remainder.
1, 2, 349, 698
Factors of 700
List of positive integer factors of 700 that divides 700 without a remainder.
1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 698 and 700, than apply into the LCM equation.
GCF(698,700) = 2
LCM(698,700) = ( 698 × 700) / 2
LCM(698,700) = 488600 / 2
LCM(698,700) = 244300
(i) The LCM of 700 and 698 is associative
LCM of 698 and 700 = LCM of 700 and 698
1. What is the LCM of 698 and 700?
Answer: LCM of 698 and 700 is 244300.
2. What are the Factors of 698?
Answer: Factors of 698 are 1, 2, 349, 698. There are 4 integers that are factors of 698. The greatest factor of 698 is 698.
3. What are the Factors of 700?
Answer: Factors of 700 are 1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700. There are 18 integers that are factors of 700. The greatest factor of 700 is 700.
4. How to Find the LCM of 698 and 700?
Answer:
Least Common Multiple of 698 and 700 = 244300
Step 1: Find the prime factorization of 698
698 = 2 x 349
Step 2: Find the prime factorization of 700
700 = 2 x 2 x 5 x 5 x 7
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 244300 = 2 x 2 x 5 x 5 x 7 x 349
Step 4: Therefore, the least common multiple of 698 and 700 is 244300.