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What is the Least Common Multiple of 74401 and 74415?

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 74401 and 74415 is 5536550415.

LCM(74401,74415) = 5536550415

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Least Common Multiple of 74401 and 74415 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74401 and 74415, than apply into the LCM equation.

GCF(74401,74415) = 1
LCM(74401,74415) = ( 74401 × 74415) / 1
LCM(74401,74415) = 5536550415 / 1
LCM(74401,74415) = 5536550415

Least Common Multiple (LCM) of 74401 and 74415 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74401 and 74415. First we will calculate the prime factors of 74401 and 74415.

Prime Factorization of 74401

Prime factors of 74401 are 47, 1583. Prime factorization of 74401 in exponential form is:

74401 = 471 × 15831

Prime Factorization of 74415

Prime factors of 74415 are 3, 5, 11, 41. Prime factorization of 74415 in exponential form is:

74415 = 31 × 51 × 112 × 411

Now multiplying the highest exponent prime factors to calculate the LCM of 74401 and 74415.

LCM(74401,74415) = 471 × 15831 × 31 × 51 × 112 × 411
LCM(74401,74415) = 5536550415