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What is the Least Common Multiple of 70628 and 70647?

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 70628 and 70647 is 4989656316.

LCM(70628,70647) = 4989656316

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Least Common Multiple of 70628 and 70647 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70628 and 70647, than apply into the LCM equation.

GCF(70628,70647) = 1
LCM(70628,70647) = ( 70628 × 70647) / 1
LCM(70628,70647) = 4989656316 / 1
LCM(70628,70647) = 4989656316

Least Common Multiple (LCM) of 70628 and 70647 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70628 and 70647. First we will calculate the prime factors of 70628 and 70647.

Prime Factorization of 70628

Prime factors of 70628 are 2, 17657. Prime factorization of 70628 in exponential form is:

70628 = 22 × 176571

Prime Factorization of 70647

Prime factors of 70647 are 3, 23549. Prime factorization of 70647 in exponential form is:

70647 = 31 × 235491

Now multiplying the highest exponent prime factors to calculate the LCM of 70628 and 70647.

LCM(70628,70647) = 22 × 176571 × 31 × 235491
LCM(70628,70647) = 4989656316