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What is the Least Common Multiple of 70142 and 70155?

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 70142 and 70155 is 4920812010.

LCM(70142,70155) = 4920812010

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Least Common Multiple of 70142 and 70155 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70142 and 70155, than apply into the LCM equation.

GCF(70142,70155) = 1
LCM(70142,70155) = ( 70142 × 70155) / 1
LCM(70142,70155) = 4920812010 / 1
LCM(70142,70155) = 4920812010

Least Common Multiple (LCM) of 70142 and 70155 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70142 and 70155. First we will calculate the prime factors of 70142 and 70155.

Prime Factorization of 70142

Prime factors of 70142 are 2, 17, 2063. Prime factorization of 70142 in exponential form is:

70142 = 21 × 171 × 20631

Prime Factorization of 70155

Prime factors of 70155 are 3, 5, 1559. Prime factorization of 70155 in exponential form is:

70155 = 32 × 51 × 15591

Now multiplying the highest exponent prime factors to calculate the LCM of 70142 and 70155.

LCM(70142,70155) = 21 × 171 × 20631 × 32 × 51 × 15591
LCM(70142,70155) = 4920812010