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What is the Least Common Multiple of 70533 and 70542?

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 70533 and 70542 is 552837654.

LCM(70533,70542) = 552837654

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Least Common Multiple of 70533 and 70542 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70533 and 70542, than apply into the LCM equation.

GCF(70533,70542) = 9
LCM(70533,70542) = ( 70533 × 70542) / 9
LCM(70533,70542) = 4975538886 / 9
LCM(70533,70542) = 552837654

Least Common Multiple (LCM) of 70533 and 70542 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70533 and 70542. First we will calculate the prime factors of 70533 and 70542.

Prime Factorization of 70533

Prime factors of 70533 are 3, 17, 461. Prime factorization of 70533 in exponential form is:

70533 = 32 × 171 × 4611

Prime Factorization of 70542

Prime factors of 70542 are 2, 3, 3919. Prime factorization of 70542 in exponential form is:

70542 = 21 × 32 × 39191

Now multiplying the highest exponent prime factors to calculate the LCM of 70533 and 70542.

LCM(70533,70542) = 32 × 171 × 4611 × 21 × 39191
LCM(70533,70542) = 552837654