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What is the Least Common Multiple of 42598 and 42615?

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 42598 and 42615 is 1815313770.

LCM(42598,42615) = 1815313770

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Least Common Multiple of 42598 and 42615 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42598 and 42615, than apply into the LCM equation.

GCF(42598,42615) = 1
LCM(42598,42615) = ( 42598 × 42615) / 1
LCM(42598,42615) = 1815313770 / 1
LCM(42598,42615) = 1815313770

Least Common Multiple (LCM) of 42598 and 42615 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42598 and 42615. First we will calculate the prime factors of 42598 and 42615.

Prime Factorization of 42598

Prime factors of 42598 are 2, 19, 59. Prime factorization of 42598 in exponential form is:

42598 = 21 × 192 × 591

Prime Factorization of 42615

Prime factors of 42615 are 3, 5, 947. Prime factorization of 42615 in exponential form is:

42615 = 32 × 51 × 9471

Now multiplying the highest exponent prime factors to calculate the LCM of 42598 and 42615.

LCM(42598,42615) = 21 × 192 × 591 × 32 × 51 × 9471
LCM(42598,42615) = 1815313770