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What is the Least Common Multiple of 909 and 913?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 909 and 913 is 829917.

LCM(909,913) = 829917

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Least Common Multiple of 909 and 913 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 909 and 913, than apply into the LCM equation.

GCF(909,913) = 1
LCM(909,913) = ( 909 × 913) / 1
LCM(909,913) = 829917 / 1
LCM(909,913) = 829917

Least Common Multiple (LCM) of 909 and 913 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 909 and 913. First we will calculate the prime factors of 909 and 913.

Prime Factorization of 909

Prime factors of 909 are 3, 101. Prime factorization of 909 in exponential form is:

909 = 32 × 1011

Prime Factorization of 913

Prime factors of 913 are 11, 83. Prime factorization of 913 in exponential form is:

913 = 111 × 831

Now multiplying the highest exponent prime factors to calculate the LCM of 909 and 913.

LCM(909,913) = 32 × 1011 × 111 × 831
LCM(909,913) = 829917