Least Common Multiple  of 31 and 35 is 1085

How to find the Least Common Multiple of 31 and 35?

On this page below, we'll use the Prime Factorisation, and the List of Multiples method to find out the LCM of 31 and 35.

Follow the steps below, and let's calculate the LCM of 31 and 35.


Method 1 - Prime factorization

Step 1: Create a list of all the prime factors of the numbers 31 and 35:

Prime factors of 31

The prime factors of 31 are 31. Prime factorization of 31 in exponential form is:

31 = 311

Prime factors of 35

The prime factors of 35 are 5 and 7. Prime factorization of 35 in exponential form is:

35 = 51x71


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

311, 51, 71


Step 3: Multiply these values together:

311x51x71=1085


Step 4: The result:

As seen on the calculation above, we have now obtained the LCM of 31 and 35.

The Least Common Multiple of 31 and 35 is 1085.


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 31:

31, 62, 93, 124, 155, 186, 217, 248, 279, 310, 341, 372, 403, 434, 465, 496, 527, 558, 589, 620, 651, 682, 713, 744, 775, 806, 837, 868, 899, 930, 961, 992, 1023, 1054, 1085, 1116, 1147, 1178

Multiples of 35:

35, 70, 105, 140, 175, 210, 245, 280, 315, 350, 385, 420, 455, 490, 525, 560, 595, 630, 665, 700, 735, 770, 805, 840, 875, 910, 945, 980, 1015, 1050, 1085, 1120, 1155, 1190


Therefore,

LCM(31, 35) = 1085