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What is the Least Common Multiple of 42635 and 42646?

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 42635 and 42646 is 1818212210.

LCM(42635,42646) = 1818212210

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Least Common Multiple of 42635 and 42646 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42635 and 42646, than apply into the LCM equation.

GCF(42635,42646) = 1
LCM(42635,42646) = ( 42635 × 42646) / 1
LCM(42635,42646) = 1818212210 / 1
LCM(42635,42646) = 1818212210

Least Common Multiple (LCM) of 42635 and 42646 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42635 and 42646. First we will calculate the prime factors of 42635 and 42646.

Prime Factorization of 42635

Prime factors of 42635 are 5, 8527. Prime factorization of 42635 in exponential form is:

42635 = 51 × 85271

Prime Factorization of 42646

Prime factors of 42646 are 2, 21323. Prime factorization of 42646 in exponential form is:

42646 = 21 × 213231

Now multiplying the highest exponent prime factors to calculate the LCM of 42635 and 42646.

LCM(42635,42646) = 51 × 85271 × 21 × 213231
LCM(42635,42646) = 1818212210