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What is the Least Common Multiple of 42445 and 42462?

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 42445 and 42462 is 1802299590.

LCM(42445,42462) = 1802299590

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Least Common Multiple of 42445 and 42462 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42445 and 42462, than apply into the LCM equation.

GCF(42445,42462) = 1
LCM(42445,42462) = ( 42445 × 42462) / 1
LCM(42445,42462) = 1802299590 / 1
LCM(42445,42462) = 1802299590

Least Common Multiple (LCM) of 42445 and 42462 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42445 and 42462. First we will calculate the prime factors of 42445 and 42462.

Prime Factorization of 42445

Prime factors of 42445 are 5, 13, 653. Prime factorization of 42445 in exponential form is:

42445 = 51 × 131 × 6531

Prime Factorization of 42462

Prime factors of 42462 are 2, 3, 7, 337. Prime factorization of 42462 in exponential form is:

42462 = 21 × 32 × 71 × 3371

Now multiplying the highest exponent prime factors to calculate the LCM of 42445 and 42462.

LCM(42445,42462) = 51 × 131 × 6531 × 21 × 32 × 71 × 3371
LCM(42445,42462) = 1802299590