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What is the Least Common Multiple of 90778 and 90791?

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 90778 and 90791 is 8241825398.

LCM(90778,90791) = 8241825398

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Least Common Multiple of 90778 and 90791 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90778 and 90791, than apply into the LCM equation.

GCF(90778,90791) = 1
LCM(90778,90791) = ( 90778 × 90791) / 1
LCM(90778,90791) = 8241825398 / 1
LCM(90778,90791) = 8241825398

Least Common Multiple (LCM) of 90778 and 90791 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90778 and 90791. First we will calculate the prime factors of 90778 and 90791.

Prime Factorization of 90778

Prime factors of 90778 are 2, 45389. Prime factorization of 90778 in exponential form is:

90778 = 21 × 453891

Prime Factorization of 90791

Prime factors of 90791 are 163, 557. Prime factorization of 90791 in exponential form is:

90791 = 1631 × 5571

Now multiplying the highest exponent prime factors to calculate the LCM of 90778 and 90791.

LCM(90778,90791) = 21 × 453891 × 1631 × 5571
LCM(90778,90791) = 8241825398