Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 661 and 662 the smallest integer that is 437582 that is divisible by both numbers.
Least Common Multiple (LCM) of 661 and 662 is 437582.
LCM(661,662) = 437582
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 661 and 662. First we will calculate the prime factors of 661 and 662.
Prime Factorization of 661
661 | 661 |
1 |
Prime factors of 661 are 661. Prime factorization of 661 in exponential form is:
661 = 6611
Prime Factorization of 662
2 | 662 |
331 | 331 |
1 |
Prime factors of 662 are 2,331. Prime factorization of 662 in exponential form is:
662 = 21×3311
Now multiplying the highest exponent prime factors to calculate the LCM of 661 and 662.
LCM(661,662) = 21×3311×6611
LCM(661,662) = 437582
Factors of 661
List of positive integer factors of 661 that divides 661 without a remainder.
1, 661
Factors of 662
List of positive integer factors of 662 that divides 662 without a remainder.
1, 2, 331, 662
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 661 and 662, than apply into the LCM equation.
GCF(661,662) = 1
LCM(661,662) = ( 661 × 662) / 1
LCM(661,662) = 437582 / 1
LCM(661,662) = 437582
(i) The LCM of 662 and 661 is associative
LCM of 661 and 662 = LCM of 662 and 661
1. What is the LCM of 661 and 662?
Answer: LCM of 661 and 662 is 437582.
2. What are the Factors of 661?
Answer: Factors of 661 are 1, 661. There are 2 integers that are factors of 661. The greatest factor of 661 is 661.
3. What are the Factors of 662?
Answer: Factors of 662 are 1, 2, 331, 662. There are 4 integers that are factors of 662. The greatest factor of 662 is 662.
4. How to Find the LCM of 661 and 662?
Answer:
Least Common Multiple of 661 and 662 = 437582
Step 1: Find the prime factorization of 661
661 = 661
Step 2: Find the prime factorization of 662
662 = 2 x 331
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 437582 = 2 x 331 x 661
Step 4: Therefore, the least common multiple of 661 and 662 is 437582.