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What is the Least Common Multiple of 42620 and 42633?

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 42620 and 42633 is 1817018460.

LCM(42620,42633) = 1817018460

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Least Common Multiple of 42620 and 42633 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42620 and 42633, than apply into the LCM equation.

GCF(42620,42633) = 1
LCM(42620,42633) = ( 42620 × 42633) / 1
LCM(42620,42633) = 1817018460 / 1
LCM(42620,42633) = 1817018460

Least Common Multiple (LCM) of 42620 and 42633 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42620 and 42633. First we will calculate the prime factors of 42620 and 42633.

Prime Factorization of 42620

Prime factors of 42620 are 2, 5, 2131. Prime factorization of 42620 in exponential form is:

42620 = 22 × 51 × 21311

Prime Factorization of 42633

Prime factors of 42633 are 3, 1579. Prime factorization of 42633 in exponential form is:

42633 = 33 × 15791

Now multiplying the highest exponent prime factors to calculate the LCM of 42620 and 42633.

LCM(42620,42633) = 22 × 51 × 21311 × 33 × 15791
LCM(42620,42633) = 1817018460