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What is the Least Common Multiple of 83910 and 83921?

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 83910 and 83921 is 7041811110.

LCM(83910,83921) = 7041811110

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Least Common Multiple of 83910 and 83921 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83910 and 83921, than apply into the LCM equation.

GCF(83910,83921) = 1
LCM(83910,83921) = ( 83910 × 83921) / 1
LCM(83910,83921) = 7041811110 / 1
LCM(83910,83921) = 7041811110

Least Common Multiple (LCM) of 83910 and 83921 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83910 and 83921. First we will calculate the prime factors of 83910 and 83921.

Prime Factorization of 83910

Prime factors of 83910 are 2, 3, 5, 2797. Prime factorization of 83910 in exponential form is:

83910 = 21 × 31 × 51 × 27971

Prime Factorization of 83921

Prime factors of 83921 are 83921. Prime factorization of 83921 in exponential form is:

83921 = 839211

Now multiplying the highest exponent prime factors to calculate the LCM of 83910 and 83921.

LCM(83910,83921) = 21 × 31 × 51 × 27971 × 839211
LCM(83910,83921) = 7041811110