Calculate LCM (37; 999,999,999,962), the Least (Lowest) Common Multiple of the Numbers. Online Calculator

Calculate the least common multiple, LCM (37; 999,999,999,962), using their prime factorizations, numbers' divisibility or the Euclidean algorithm

lcm (37; 999,999,999,962) = ?

Method 1. The divisibility of numbers:

A number 'a' is divisible by a number 'b' if there is no remainder when 'a' is divided by 'b'.


Divide the larger number by the smaller one.

When we divide our numbers, there is no remainder:

999,999,999,962 ÷ 37 = 27,027,027,026 + 0

⇒ 999,999,999,962 = 37 × 27,027,027,026

⇒ 999,999,999,962 is divisible by 37.

⇒ 999,999,999,962 is a multiple of 37.

The smallest multiple of 999,999,999,962 is the number itself: 999,999,999,962.

» Online calculator. The divisibility of numbers


The least common multiple:
lcm (37; 999,999,999,962) = 999,999,999,962 = 2 × 37 × 13,513,513,513
999,999,999,962 is a multiple of 37
Scroll down for the 2nd method...

Method 2. The prime factorization:

The prime factorization of a number: finding the prime numbers that multiply together to make that number.

37 is a prime number, it cannot be broken down into other prime factors.

999,999,999,962 = 2 × 37 × 13,513,513,513
999,999,999,962 is not a prime number but a composite one.



Calculate the least common multiple, lcm:

Multiply all the prime factors of the two numbers. If there are common prime factors then only the ones with the largest exponents are taken (the largest powers).


The least common multiple:
lcm (37; 999,999,999,962) = 2 × 37 × 13,513,513,513 = 999,999,999,962
999,999,999,962 contains all the prime factors of the number 37

Why is it useful to calculate the least common multiple?

  • In order to add, subtract or sort fractions with different denominators, we must make their denominators the same. An easy way is to calculate the least common multiple of all the denominators (the least common denominator).
  • By definition, the least common multiple of two numbers is the smallest natural number that is: (1) greater than 0 and (2) a multiple of both numbers.

Other similar operations with the least common multiple:

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The least common multiple (lcm). What it is and how to calculate it.

  • The number 60 is a common multiple of the numbers 6 and 15 because 60 is a multiple of 6 (60 = 6 × 10) and also a multiple of 15 (60 = 15 × 4).
  • There are infinitely many common multiples of 6 and 15.
  • If the number "v" is a multiple of the numbers "a" and "b", then all the multiples of "v" are also multiples of "a" and "b".
  • The common multiples of 6 and 15 are the numbers 30, 60, 90, 120, and so on.
  • Out of these, 30 is the smallest, 30 is the least common multiple (lcm) of 6 and 15.
  • Note: The prime factorization of a number: finding the prime numbers that multiply together to give that number.
  • If e = lcm (a, b), then the prime factorization of "e" must contain all the prime factors involved in the prime factorization of "a" and "b" taken by the highest power.
  • Example:
  • 40 = 23 × 5
  • 36 = 22 × 32
  • 126 = 2 × 32 × 7
  • lcm (40, 36, 126) = 23 × 32 × 5 × 7 = 2,520
  • Note: 23 = 2 × 2 × 2 = 8. We are saying that 2 was raised to the power of 3. Or, shorter, 2 to the power of 3. In this example 3 is the exponent and 2 is the base. The exponent indicates how many times the base is multiplied by itself. 23 is the power and 8 is the value of the power:
  • Another example of calculating the least common multiple, lcm:
  • 938 = 2 × 7 × 67
  • 982 = 2 × 491
  • 743 = is a prime number and cannot be broken down into other prime factors
  • lcm (938, 982, 743) = 2 × 7 × 67 × 491 × 743 = 342,194,594
  • If two or more numbers have no common factors (they are coprime), then their least common multiple is calculated by simply multiplying the numbers.
  • Example:
  • 6 = 2 × 3
  • 35 = 5 × 7
  • lcm (6, 35) = 2 × 3 × 5 × 7 = 6 × 35 = 210