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What is the Least Common Multiple of 78422 and 78435?

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 78422 and 78435 is 6151029570.

LCM(78422,78435) = 6151029570

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Least Common Multiple of 78422 and 78435 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78422 and 78435, than apply into the LCM equation.

GCF(78422,78435) = 1
LCM(78422,78435) = ( 78422 × 78435) / 1
LCM(78422,78435) = 6151029570 / 1
LCM(78422,78435) = 6151029570

Least Common Multiple (LCM) of 78422 and 78435 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78422 and 78435. First we will calculate the prime factors of 78422 and 78435.

Prime Factorization of 78422

Prime factors of 78422 are 2, 113, 347. Prime factorization of 78422 in exponential form is:

78422 = 21 × 1131 × 3471

Prime Factorization of 78435

Prime factors of 78435 are 3, 5, 7, 83. Prime factorization of 78435 in exponential form is:

78435 = 33 × 51 × 71 × 831

Now multiplying the highest exponent prime factors to calculate the LCM of 78422 and 78435.

LCM(78422,78435) = 21 × 1131 × 3471 × 33 × 51 × 71 × 831
LCM(78422,78435) = 6151029570