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What is the Least Common Multiple of 45880 and 45900?

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 45880 and 45900 is 105294600.

LCM(45880,45900) = 105294600

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Least Common Multiple of 45880 and 45900 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 45880 and 45900, than apply into the LCM equation.

GCF(45880,45900) = 20
LCM(45880,45900) = ( 45880 × 45900) / 20
LCM(45880,45900) = 2105892000 / 20
LCM(45880,45900) = 105294600

Least Common Multiple (LCM) of 45880 and 45900 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 45880 and 45900. First we will calculate the prime factors of 45880 and 45900.

Prime Factorization of 45880

Prime factors of 45880 are 2, 5, 31, 37. Prime factorization of 45880 in exponential form is:

45880 = 23 × 51 × 311 × 371

Prime Factorization of 45900

Prime factors of 45900 are 2, 3, 5, 17. Prime factorization of 45900 in exponential form is:

45900 = 22 × 33 × 52 × 171

Now multiplying the highest exponent prime factors to calculate the LCM of 45880 and 45900.

LCM(45880,45900) = 23 × 52 × 311 × 371 × 33 × 171
LCM(45880,45900) = 105294600