Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 9920 and 9924 the smallest integer that is 24611520 that is divisible by both numbers.
Least Common Multiple (LCM) of 9920 and 9924 is 24611520.
LCM(9920,9924) = 24611520
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 9920 and 9924. First we will calculate the prime factors of 9920 and 9924.
Prime Factorization of 9920
2 | 9920 |
2 | 4960 |
2 | 2480 |
2 | 1240 |
2 | 620 |
2 | 310 |
5 | 155 |
31 | 31 |
1 |
Prime factors of 9920 are 2, 5,31. Prime factorization of 9920 in exponential form is:
9920 = 26×51×311
Prime Factorization of 9924
2 | 9924 |
2 | 4962 |
3 | 2481 |
827 | 827 |
1 |
Prime factors of 9924 are 2, 3,827. Prime factorization of 9924 in exponential form is:
9924 = 22×31×8271
Now multiplying the highest exponent prime factors to calculate the LCM of 9920 and 9924.
LCM(9920,9924) = 26×31×51×311×8271
LCM(9920,9924) = 24611520
Factors of 9920
List of positive integer factors of 9920 that divides 9920 without a remainder.
1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920
Factors of 9924
List of positive integer factors of 9924 that divides 9924 without a remainder.
1, 2, 3, 4, 6, 12, 827, 1654, 2481, 3308, 4962, 9924
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9920 and 9924, than apply into the LCM equation.
GCF(9920,9924) = 4
LCM(9920,9924) = ( 9920 × 9924) / 4
LCM(9920,9924) = 98446080 / 4
LCM(9920,9924) = 24611520
(i) The LCM of 9924 and 9920 is associative
LCM of 9920 and 9924 = LCM of 9924 and 9920
1. What is the LCM of 9920 and 9924?
Answer: LCM of 9920 and 9924 is 24611520.
2. What are the Factors of 9920?
Answer: Factors of 9920 are 1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920. There are 28 integers that are factors of 9920. The greatest factor of 9920 is 9920.
3. What are the Factors of 9924?
Answer: Factors of 9924 are 1, 2, 3, 4, 6, 12, 827, 1654, 2481, 3308, 4962, 9924. There are 12 integers that are factors of 9924. The greatest factor of 9924 is 9924.
4. How to Find the LCM of 9920 and 9924?
Answer:
Least Common Multiple of 9920 and 9924 = 24611520
Step 1: Find the prime factorization of 9920
9920 = 2 x 2 x 2 x 2 x 2 x 2 x 5 x 31
Step 2: Find the prime factorization of 9924
9924 = 2 x 2 x 3 x 827
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 24611520 = 2 x 2 x 2 x 2 x 2 x 2 x 3 x 5 x 31 x 827
Step 4: Therefore, the least common multiple of 9920 and 9924 is 24611520.