Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 4912 and 4920 the smallest integer that is 3020880 that is divisible by both numbers.
Least Common Multiple (LCM) of 4912 and 4920 is 3020880.
LCM(4912,4920) = 3020880
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 4912 and 4920. First we will calculate the prime factors of 4912 and 4920.
Prime Factorization of 4912
2 | 4912 |
2 | 2456 |
2 | 1228 |
2 | 614 |
307 | 307 |
1 |
Prime factors of 4912 are 2,307. Prime factorization of 4912 in exponential form is:
4912 = 24×3071
Prime Factorization of 4920
2 | 4920 |
2 | 2460 |
2 | 1230 |
3 | 615 |
5 | 205 |
41 | 41 |
1 |
Prime factors of 4920 are 2, 3, 5,41. Prime factorization of 4920 in exponential form is:
4920 = 23×31×51×411
Now multiplying the highest exponent prime factors to calculate the LCM of 4912 and 4920.
LCM(4912,4920) = 24×31×51×411×3071
LCM(4912,4920) = 3020880
Factors of 4912
List of positive integer factors of 4912 that divides 4912 without a remainder.
1, 2, 4, 8, 16, 307, 614, 1228, 2456, 4912
Factors of 4920
List of positive integer factors of 4920 that divides 4920 without a remainder.
1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 492, 615, 820, 984, 1230, 1640, 2460, 4920
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4912 and 4920, than apply into the LCM equation.
GCF(4912,4920) = 8
LCM(4912,4920) = ( 4912 × 4920) / 8
LCM(4912,4920) = 24167040 / 8
LCM(4912,4920) = 3020880
(i) The LCM of 4920 and 4912 is associative
LCM of 4912 and 4920 = LCM of 4920 and 4912
1. What is the LCM of 4912 and 4920?
Answer: LCM of 4912 and 4920 is 3020880.
2. What are the Factors of 4912?
Answer: Factors of 4912 are 1, 2, 4, 8, 16, 307, 614, 1228, 2456, 4912. There are 10 integers that are factors of 4912. The greatest factor of 4912 is 4912.
3. What are the Factors of 4920?
Answer: Factors of 4920 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 492, 615, 820, 984, 1230, 1640, 2460, 4920. There are 32 integers that are factors of 4920. The greatest factor of 4920 is 4920.
4. How to Find the LCM of 4912 and 4920?
Answer:
Least Common Multiple of 4912 and 4920 = 3020880
Step 1: Find the prime factorization of 4912
4912 = 2 x 2 x 2 x 2 x 307
Step 2: Find the prime factorization of 4920
4920 = 2 x 2 x 2 x 3 x 5 x 41
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 3020880 = 2 x 2 x 2 x 2 x 3 x 5 x 41 x 307
Step 4: Therefore, the least common multiple of 4912 and 4920 is 3020880.