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What is the Least Common Multiple of 74774 and 74789?

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 74774 and 74789 is 5592272686.

LCM(74774,74789) = 5592272686

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Least Common Multiple of 74774 and 74789 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74774 and 74789, than apply into the LCM equation.

GCF(74774,74789) = 1
LCM(74774,74789) = ( 74774 × 74789) / 1
LCM(74774,74789) = 5592272686 / 1
LCM(74774,74789) = 5592272686

Least Common Multiple (LCM) of 74774 and 74789 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74774 and 74789. First we will calculate the prime factors of 74774 and 74789.

Prime Factorization of 74774

Prime factors of 74774 are 2, 7, 109. Prime factorization of 74774 in exponential form is:

74774 = 21 × 73 × 1091

Prime Factorization of 74789

Prime factors of 74789 are 11, 13, 523. Prime factorization of 74789 in exponential form is:

74789 = 111 × 131 × 5231

Now multiplying the highest exponent prime factors to calculate the LCM of 74774 and 74789.

LCM(74774,74789) = 21 × 73 × 1091 × 111 × 131 × 5231
LCM(74774,74789) = 5592272686