Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 3948 and 3955 the smallest integer that is 2230620 that is divisible by both numbers.
Least Common Multiple (LCM) of 3948 and 3955 is 2230620.
LCM(3948,3955) = 2230620
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 3948 and 3955. First we will calculate the prime factors of 3948 and 3955.
Prime Factorization of 3948
2 | 3948 |
2 | 1974 |
3 | 987 |
7 | 329 |
47 | 47 |
1 |
Prime factors of 3948 are 2, 3, 7,47. Prime factorization of 3948 in exponential form is:
3948 = 22×31×71×471
Prime Factorization of 3955
5 | 3955 |
7 | 791 |
113 | 113 |
1 |
Prime factors of 3955 are 5, 7,113. Prime factorization of 3955 in exponential form is:
3955 = 51×71×1131
Now multiplying the highest exponent prime factors to calculate the LCM of 3948 and 3955.
LCM(3948,3955) = 22×31×51×71×471×1131
LCM(3948,3955) = 2230620
Factors of 3948
List of positive integer factors of 3948 that divides 3948 without a remainder.
1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 188, 282, 329, 564, 658, 987, 1316, 1974, 3948
Factors of 3955
List of positive integer factors of 3955 that divides 3955 without a remainder.
1, 5, 7, 35, 113, 565, 791, 3955
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3948 and 3955, than apply into the LCM equation.
GCF(3948,3955) = 7
LCM(3948,3955) = ( 3948 × 3955) / 7
LCM(3948,3955) = 15614340 / 7
LCM(3948,3955) = 2230620
(i) The LCM of 3955 and 3948 is associative
LCM of 3948 and 3955 = LCM of 3955 and 3948
1. What is the LCM of 3948 and 3955?
Answer: LCM of 3948 and 3955 is 2230620.
2. What are the Factors of 3948?
Answer: Factors of 3948 are 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 188, 282, 329, 564, 658, 987, 1316, 1974, 3948. There are 24 integers that are factors of 3948. The greatest factor of 3948 is 3948.
3. What are the Factors of 3955?
Answer: Factors of 3955 are 1, 5, 7, 35, 113, 565, 791, 3955. There are 8 integers that are factors of 3955. The greatest factor of 3955 is 3955.
4. How to Find the LCM of 3948 and 3955?
Answer:
Least Common Multiple of 3948 and 3955 = 2230620
Step 1: Find the prime factorization of 3948
3948 = 2 x 2 x 3 x 7 x 47
Step 2: Find the prime factorization of 3955
3955 = 5 x 7 x 113
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2230620 = 2 x 2 x 3 x 5 x 7 x 47 x 113
Step 4: Therefore, the least common multiple of 3948 and 3955 is 2230620.