Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 626 and 628 the smallest integer that is 196564 that is divisible by both numbers.
Least Common Multiple (LCM) of 626 and 628 is 196564.
LCM(626,628) = 196564
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 626 and 628. First we will calculate the prime factors of 626 and 628.
Prime Factorization of 626
2 | 626 |
313 | 313 |
1 |
Prime factors of 626 are 2,313. Prime factorization of 626 in exponential form is:
626 = 21×3131
Prime Factorization of 628
2 | 628 |
2 | 314 |
157 | 157 |
1 |
Prime factors of 628 are 2,157. Prime factorization of 628 in exponential form is:
628 = 22×1571
Now multiplying the highest exponent prime factors to calculate the LCM of 626 and 628.
LCM(626,628) = 22×1571×3131
LCM(626,628) = 196564
Factors of 626
List of positive integer factors of 626 that divides 626 without a remainder.
1, 2, 313, 626
Factors of 628
List of positive integer factors of 628 that divides 628 without a remainder.
1, 2, 4, 157, 314, 628
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 626 and 628, than apply into the LCM equation.
GCF(626,628) = 2
LCM(626,628) = ( 626 × 628) / 2
LCM(626,628) = 393128 / 2
LCM(626,628) = 196564
(i) The LCM of 628 and 626 is associative
LCM of 626 and 628 = LCM of 628 and 626
1. What is the LCM of 626 and 628?
Answer: LCM of 626 and 628 is 196564.
2. What are the Factors of 626?
Answer: Factors of 626 are 1, 2, 313, 626. There are 4 integers that are factors of 626. The greatest factor of 626 is 626.
3. What are the Factors of 628?
Answer: Factors of 628 are 1, 2, 4, 157, 314, 628. There are 6 integers that are factors of 628. The greatest factor of 628 is 628.
4. How to Find the LCM of 626 and 628?
Answer:
Least Common Multiple of 626 and 628 = 196564
Step 1: Find the prime factorization of 626
626 = 2 x 313
Step 2: Find the prime factorization of 628
628 = 2 x 2 x 157
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 196564 = 2 x 2 x 157 x 313
Step 4: Therefore, the least common multiple of 626 and 628 is 196564.