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What is the Least Common Multiple of 70905 and 70922?

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 70905 and 70922 is 5028724410.

LCM(70905,70922) = 5028724410

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Least Common Multiple of 70905 and 70922 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70905 and 70922, than apply into the LCM equation.

GCF(70905,70922) = 1
LCM(70905,70922) = ( 70905 × 70922) / 1
LCM(70905,70922) = 5028724410 / 1
LCM(70905,70922) = 5028724410

Least Common Multiple (LCM) of 70905 and 70922 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70905 and 70922. First we will calculate the prime factors of 70905 and 70922.

Prime Factorization of 70905

Prime factors of 70905 are 3, 5, 29, 163. Prime factorization of 70905 in exponential form is:

70905 = 31 × 51 × 291 × 1631

Prime Factorization of 70922

Prime factors of 70922 are 2, 35461. Prime factorization of 70922 in exponential form is:

70922 = 21 × 354611

Now multiplying the highest exponent prime factors to calculate the LCM of 70905 and 70922.

LCM(70905,70922) = 31 × 51 × 291 × 1631 × 21 × 354611
LCM(70905,70922) = 5028724410