Question

find the least number which is exactly divided by 21,35 and 55
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Answer 1

Answer:

1155

Step-by-step explanation:

55= 5×11

21= 3×7

35= 7×5

LCM= 3×5×7×11= 1155

Answer 2

Final Answer:

The least number which is exactly divided by each of the numbers 21, 35 and 55 is 1155.

Given:

The numbers provided are 21,35 and 55.

To Find:

The is to be calculated.

Explanation:

The essential concept of LCM is useful in figuring out the solution to this problem are as follows.

The Least Common Multiple has its acronym LCM.

The LCM of any set of numbers is the multiple of the lowest possible value that is common to all the numbers in the stated set.

In turn, the LCM of any set of numbers is the least number that gets divided by all the numbers in the stated set.

Step 1 of 2

As per the given statement in the problem, write the  factors of the following numbers.

• The factorization of the number 21 yields $21=3\times 7$
• The factorization of the number 35 yields $35=5\times 7$
• The factorization of the number 55 yields $55=5\times 11$

Step 2 of 2

Using the above information, the LCM of the numbers 21, 35 and 55 is

$=3\times 5\times 7\times 11\\=1155$

Therefore, the required correct answer is the least number of value 1155.

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