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What is the Least Common Multiple of 97478 and 97485?

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 97478 and 97485 is 9502642830.

LCM(97478,97485) = 9502642830

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Least Common Multiple of 97478 and 97485 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 97478 and 97485, than apply into the LCM equation.

GCF(97478,97485) = 1
LCM(97478,97485) = ( 97478 × 97485) / 1
LCM(97478,97485) = 9502642830 / 1
LCM(97478,97485) = 9502642830

Least Common Multiple (LCM) of 97478 and 97485 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 97478 and 97485. First we will calculate the prime factors of 97478 and 97485.

Prime Factorization of 97478

Prime factors of 97478 are 2, 17, 47, 61. Prime factorization of 97478 in exponential form is:

97478 = 21 × 171 × 471 × 611

Prime Factorization of 97485

Prime factors of 97485 are 3, 5, 67, 97. Prime factorization of 97485 in exponential form is:

97485 = 31 × 51 × 671 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 97478 and 97485.

LCM(97478,97485) = 21 × 171 × 471 × 611 × 31 × 51 × 671 × 971
LCM(97478,97485) = 9502642830