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What is the Least Common Multiple of 78562 and 78574?

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 78562 and 78574 is 3086465294.

LCM(78562,78574) = 3086465294

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Least Common Multiple of 78562 and 78574 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78562 and 78574, than apply into the LCM equation.

GCF(78562,78574) = 2
LCM(78562,78574) = ( 78562 × 78574) / 2
LCM(78562,78574) = 6172930588 / 2
LCM(78562,78574) = 3086465294

Least Common Multiple (LCM) of 78562 and 78574 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78562 and 78574. First we will calculate the prime factors of 78562 and 78574.

Prime Factorization of 78562

Prime factors of 78562 are 2, 11, 3571. Prime factorization of 78562 in exponential form is:

78562 = 21 × 111 × 35711

Prime Factorization of 78574

Prime factors of 78574 are 2, 17, 2311. Prime factorization of 78574 in exponential form is:

78574 = 21 × 171 × 23111

Now multiplying the highest exponent prime factors to calculate the LCM of 78562 and 78574.

LCM(78562,78574) = 21 × 111 × 35711 × 171 × 23111
LCM(78562,78574) = 3086465294