What is the Least Common Multiple of 42006 and 42020?
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 42006 and 42020 is 882546060.
LCM(42006,42020) = 882546060
Least Common Multiple of 42006 and 42020 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42006 and 42020, than apply into the LCM equation.
GCF(42006,42020) = 2
LCM(42006,42020) = ( 42006 × 42020) / 2
LCM(42006,42020) = 1765092120 / 2
LCM(42006,42020) = 882546060
Least Common Multiple (LCM) of 42006 and 42020 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 42006 and 42020. First we will calculate the prime factors of 42006 and 42020.
Prime Factorization of 42006
Prime factors of 42006 are 2, 3, 7001. Prime factorization of 42006 in exponential form is:
42006 = 21 × 31 × 70011
Prime Factorization of 42020
Prime factors of 42020 are 2, 5, 11, 191. Prime factorization of 42020 in exponential form is:
42020 = 22 × 51 × 111 × 1911
Now multiplying the highest exponent prime factors to calculate the LCM of 42006 and 42020.
LCM(42006,42020) = 22 × 31 × 70011 × 51 × 111 × 1911
LCM(42006,42020) = 882546060
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