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What is the Least Common Multiple of 42650 and 42665?

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 42650 and 42665 is 363932450.

LCM(42650,42665) = 363932450

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Least Common Multiple of 42650 and 42665 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42650 and 42665, than apply into the LCM equation.

GCF(42650,42665) = 5
LCM(42650,42665) = ( 42650 × 42665) / 5
LCM(42650,42665) = 1819662250 / 5
LCM(42650,42665) = 363932450

Least Common Multiple (LCM) of 42650 and 42665 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42650 and 42665. First we will calculate the prime factors of 42650 and 42665.

Prime Factorization of 42650

Prime factors of 42650 are 2, 5, 853. Prime factorization of 42650 in exponential form is:

42650 = 21 × 52 × 8531

Prime Factorization of 42665

Prime factors of 42665 are 5, 7, 23, 53. Prime factorization of 42665 in exponential form is:

42665 = 51 × 71 × 231 × 531

Now multiplying the highest exponent prime factors to calculate the LCM of 42650 and 42665.

LCM(42650,42665) = 21 × 52 × 8531 × 71 × 231 × 531
LCM(42650,42665) = 363932450