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What is the Least Common Multiple of 78462 and 78474?

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 78462 and 78474 is 1026204498.

LCM(78462,78474) = 1026204498

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Least Common Multiple of 78462 and 78474 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78462 and 78474, than apply into the LCM equation.

GCF(78462,78474) = 6
LCM(78462,78474) = ( 78462 × 78474) / 6
LCM(78462,78474) = 6157226988 / 6
LCM(78462,78474) = 1026204498

Least Common Multiple (LCM) of 78462 and 78474 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78462 and 78474. First we will calculate the prime factors of 78462 and 78474.

Prime Factorization of 78462

Prime factors of 78462 are 2, 3, 1453. Prime factorization of 78462 in exponential form is:

78462 = 21 × 33 × 14531

Prime Factorization of 78474

Prime factors of 78474 are 2, 3, 11, 29, 41. Prime factorization of 78474 in exponential form is:

78474 = 21 × 31 × 111 × 291 × 411

Now multiplying the highest exponent prime factors to calculate the LCM of 78462 and 78474.

LCM(78462,78474) = 21 × 33 × 14531 × 111 × 291 × 411
LCM(78462,78474) = 1026204498