Least Common Multiple  of 53 and 65 is 3445

How to find the Least Common Multiple of 53 and 65?

On this page below, we'll use the Prime Factorisation, and the List of Multiples method to find out the LCM of 53 and 65.

Follow the steps below, and let's calculate the LCM of 53 and 65.


Method 1 - Prime factorization

Step 1: Create a list of all the prime factors of the numbers 53 and 65:

Prime factors of 53

The prime factors of 53 are 53. Prime factorization of 53 in exponential form is:

53 = 531

Prime factors of 65

The prime factors of 65 are 5 and 13. Prime factorization of 65 in exponential form is:

65 = 51x131


Step 2: Identify the highest power of each prime number from the above boxes:

531, 51, 131


Step 3: Multiply these values together:

531x51x131=3445


Step 4: The result:

As seen on the calculation above, we have now obtained the LCM of 53 and 65.

The Least Common Multiple of 53 and 65 is 3445.


Method 2 - List of Multiples

Find and list multiples of each number until the first common multiple is found. This is the lowest common multiple.


Multiples of 53:

53, 106, 159, 212, 265, 318, 371, 424, 477, 530, 583, 636, 689, 742, 795, 848, 901, 954, 1007, 1060, 1113, 1166, 1219, 1272, 1325, 1378, 1431, 1484, 1537, 1590, 1643, 1696, 1749, 1802, 1855, 1908, 1961, 2014, 2067, 2120, 2173, 2226, 2279, 2332, 2385, 2438, 2491, 2544, 2597, 2650, 2703, 2756, 2809, 2862, 2915, 2968, 3021, 3074, 3127, 3180, 3233, 3286, 3339, 3392, 3445, 3498, 3551, 3604

Multiples of 65:

65, 130, 195, 260, 325, 390, 455, 520, 585, 650, 715, 780, 845, 910, 975, 1040, 1105, 1170, 1235, 1300, 1365, 1430, 1495, 1560, 1625, 1690, 1755, 1820, 1885, 1950, 2015, 2080, 2145, 2210, 2275, 2340, 2405, 2470, 2535, 2600, 2665, 2730, 2795, 2860, 2925, 2990, 3055, 3120, 3185, 3250, 3315, 3380, 3445, 3510, 3575, 3640


Therefore,

LCM(53, 65) = 3445