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What is the Least Common Multiple of 70645 and 70664?

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 70645 and 70664 is 4992058280.

LCM(70645,70664) = 4992058280

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Least Common Multiple of 70645 and 70664 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70645 and 70664, than apply into the LCM equation.

GCF(70645,70664) = 1
LCM(70645,70664) = ( 70645 × 70664) / 1
LCM(70645,70664) = 4992058280 / 1
LCM(70645,70664) = 4992058280

Least Common Multiple (LCM) of 70645 and 70664 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70645 and 70664. First we will calculate the prime factors of 70645 and 70664.

Prime Factorization of 70645

Prime factors of 70645 are 5, 71, 199. Prime factorization of 70645 in exponential form is:

70645 = 51 × 711 × 1991

Prime Factorization of 70664

Prime factors of 70664 are 2, 11, 73. Prime factorization of 70664 in exponential form is:

70664 = 23 × 112 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 70645 and 70664.

LCM(70645,70664) = 51 × 711 × 1991 × 23 × 112 × 731
LCM(70645,70664) = 4992058280