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What is the Least Common Multiple of 42622 and 42631?

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 42622 and 42631 is 1817018482.

LCM(42622,42631) = 1817018482

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Least Common Multiple of 42622 and 42631 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42622 and 42631, than apply into the LCM equation.

GCF(42622,42631) = 1
LCM(42622,42631) = ( 42622 × 42631) / 1
LCM(42622,42631) = 1817018482 / 1
LCM(42622,42631) = 1817018482

Least Common Multiple (LCM) of 42622 and 42631 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42622 and 42631. First we will calculate the prime factors of 42622 and 42631.

Prime Factorization of 42622

Prime factors of 42622 are 2, 101, 211. Prime factorization of 42622 in exponential form is:

42622 = 21 × 1011 × 2111

Prime Factorization of 42631

Prime factors of 42631 are 89, 479. Prime factorization of 42631 in exponential form is:

42631 = 891 × 4791

Now multiplying the highest exponent prime factors to calculate the LCM of 42622 and 42631.

LCM(42622,42631) = 21 × 1011 × 2111 × 891 × 4791
LCM(42622,42631) = 1817018482