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What is the Least Common Multiple of 42046 and 42053?

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 42046 and 42053 is 1768160438.

LCM(42046,42053) = 1768160438

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Least Common Multiple of 42046 and 42053 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42046 and 42053, than apply into the LCM equation.

GCF(42046,42053) = 1
LCM(42046,42053) = ( 42046 × 42053) / 1
LCM(42046,42053) = 1768160438 / 1
LCM(42046,42053) = 1768160438

Least Common Multiple (LCM) of 42046 and 42053 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42046 and 42053. First we will calculate the prime factors of 42046 and 42053.

Prime Factorization of 42046

Prime factors of 42046 are 2, 21023. Prime factorization of 42046 in exponential form is:

42046 = 21 × 210231

Prime Factorization of 42053

Prime factors of 42053 are 11, 3823. Prime factorization of 42053 in exponential form is:

42053 = 111 × 38231

Now multiplying the highest exponent prime factors to calculate the LCM of 42046 and 42053.

LCM(42046,42053) = 21 × 210231 × 111 × 38231
LCM(42046,42053) = 1768160438