Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 321480 and 321488 the smallest integer that is 12918995280 that is divisible by both numbers.
Least Common Multiple (LCM) of 321480 and 321488 is 12918995280.
LCM(321480,321488) = 12918995280
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 321480 and 321488. First we will calculate the prime factors of 321480 and 321488.
Prime Factorization of 321480
2 | 321480 |
2 | 160740 |
2 | 80370 |
3 | 40185 |
3 | 13395 |
5 | 4465 |
19 | 893 |
47 | 47 |
1 |
Prime factors of 321480 are 2, 3, 5, 19,47. Prime factorization of 321480 in exponential form is:
321480 = 23×32×51×191×471
Prime Factorization of 321488
2 | 321488 |
2 | 160744 |
2 | 80372 |
2 | 40186 |
71 | 20093 |
283 | 283 |
1 |
Prime factors of 321488 are 2, 71,283. Prime factorization of 321488 in exponential form is:
321488 = 24×711×2831
Now multiplying the highest exponent prime factors to calculate the LCM of 321480 and 321488.
LCM(321480,321488) = 24×32×51×191×471×711×2831
LCM(321480,321488) = 12918995280
Factors of 321480
List of positive integer factors of 321480 that divides 321480 without a remainder.
1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 47, 57, 60, 72, 76, 90, 94, 95, 114, 120, 141, 152, 171, 180, 188, 190, 228, 235, 282, 285, 342, 360, 376, 380, 423, 456, 470, 564, 570, 684, 705, 760, 846, 855, 893, 940, 1128, 1140, 1368, 1410, 1692, 1710, 1786, 1880, 2115, 2280, 2679, 2820, 3384, 3420, 3572, 4230, 4465, 5358, 5640, 6840, 7144, 8037, 8460, 8930, 10716, 13395, 16074, 16920, 17860, 21432, 26790, 32148, 35720, 40185, 53580, 64296, 80370, 107160, 160740, 321480
Factors of 321488
List of positive integer factors of 321488 that divides 321488 without a remainder.
1, 2, 4, 8, 16, 71, 142, 283, 284, 566, 568, 1132, 1136, 2264, 4528, 20093, 40186, 80372, 160744, 321488
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 321480 and 321488, than apply into the LCM equation.
GCF(321480,321488) = 8
LCM(321480,321488) = ( 321480 × 321488) / 8
LCM(321480,321488) = 103351962240 / 8
LCM(321480,321488) = 12918995280
(i) The LCM of 321488 and 321480 is associative
LCM of 321480 and 321488 = LCM of 321488 and 321480
1. What is the LCM of 321480 and 321488?
Answer: LCM of 321480 and 321488 is 12918995280.
2. What are the Factors of 321480?
Answer: Factors of 321480 are 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 47, 57, 60, 72, 76, 90, 94, 95, 114, 120, 141, 152, 171, 180, 188, 190, 228, 235, 282, 285, 342, 360, 376, 380, 423, 456, 470, 564, 570, 684, 705, 760, 846, 855, 893, 940, 1128, 1140, 1368, 1410, 1692, 1710, 1786, 1880, 2115, 2280, 2679, 2820, 3384, 3420, 3572, 4230, 4465, 5358, 5640, 6840, 7144, 8037, 8460, 8930, 10716, 13395, 16074, 16920, 17860, 21432, 26790, 32148, 35720, 40185, 53580, 64296, 80370, 107160, 160740, 321480. There are 96 integers that are factors of 321480. The greatest factor of 321480 is 321480.
3. What are the Factors of 321488?
Answer: Factors of 321488 are 1, 2, 4, 8, 16, 71, 142, 283, 284, 566, 568, 1132, 1136, 2264, 4528, 20093, 40186, 80372, 160744, 321488. There are 20 integers that are factors of 321488. The greatest factor of 321488 is 321488.
4. How to Find the LCM of 321480 and 321488?
Answer:
Least Common Multiple of 321480 and 321488 = 12918995280
Step 1: Find the prime factorization of 321480
321480 = 2 x 2 x 2 x 3 x 3 x 5 x 19 x 47
Step 2: Find the prime factorization of 321488
321488 = 2 x 2 x 2 x 2 x 71 x 283
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 12918995280 = 2 x 2 x 2 x 2 x 3 x 3 x 5 x 19 x 47 x 71 x 283
Step 4: Therefore, the least common multiple of 321480 and 321488 is 12918995280.