Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 628 and 632 the smallest integer that is 99224 that is divisible by both numbers.
Least Common Multiple (LCM) of 628 and 632 is 99224.
LCM(628,632) = 99224
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 628 and 632. First we will calculate the prime factors of 628 and 632.
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
Prime Factorization of 632
2 | 632 |
2 | 316 |
2 | 158 |
79 | 79 |
1 |
Prime factors of 632 are 2,79. Prime factorization of 632 in exponential form is:
632 = 23×791
Now multiplying the highest exponent prime factors to calculate the LCM of 628 and 632.
LCM(628,632) = 23×791×1571
LCM(628,632) = 99224
Factors of 628
List of positive integer factors of 628 that divides 628 without a remainder.
1, 2, 4, 157, 314, 628
Factors of 632
List of positive integer factors of 632 that divides 632 without a remainder.
1, 2, 4, 8, 79, 158, 316, 632
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 628 and 632, than apply into the LCM equation.
GCF(628,632) = 4
LCM(628,632) = ( 628 × 632) / 4
LCM(628,632) = 396896 / 4
LCM(628,632) = 99224
(i) The LCM of 632 and 628 is associative
LCM of 628 and 632 = LCM of 632 and 628
1. What is the LCM of 628 and 632?
Answer: LCM of 628 and 632 is 99224.
2. 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.
3. What are the Factors of 632?
Answer: Factors of 632 are 1, 2, 4, 8, 79, 158, 316, 632. There are 8 integers that are factors of 632. The greatest factor of 632 is 632.
4. How to Find the LCM of 628 and 632?
Answer:
Least Common Multiple of 628 and 632 = 99224
Step 1: Find the prime factorization of 628
628 = 2 x 2 x 157
Step 2: Find the prime factorization of 632
632 = 2 x 2 x 2 x 79
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 99224 = 2 x 2 x 2 x 79 x 157
Step 4: Therefore, the least common multiple of 628 and 632 is 99224.