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What is the Least Common Multiple of 26910 and 26920?

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 26910 and 26920 is 72441720.

LCM(26910,26920) = 72441720

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Least Common Multiple of 26910 and 26920 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 26910 and 26920, than apply into the LCM equation.

GCF(26910,26920) = 10
LCM(26910,26920) = ( 26910 × 26920) / 10
LCM(26910,26920) = 724417200 / 10
LCM(26910,26920) = 72441720

Least Common Multiple (LCM) of 26910 and 26920 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 26910 and 26920. First we will calculate the prime factors of 26910 and 26920.

Prime Factorization of 26910

Prime factors of 26910 are 2, 3, 5, 13, 23. Prime factorization of 26910 in exponential form is:

26910 = 21 × 32 × 51 × 131 × 231

Prime Factorization of 26920

Prime factors of 26920 are 2, 5, 673. Prime factorization of 26920 in exponential form is:

26920 = 23 × 51 × 6731

Now multiplying the highest exponent prime factors to calculate the LCM of 26910 and 26920.

LCM(26910,26920) = 23 × 32 × 51 × 131 × 231 × 6731
LCM(26910,26920) = 72441720