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What is the Least Common Multiple of 70791 and 70800?

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 70791 and 70800 is 1670667600.

LCM(70791,70800) = 1670667600

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Least Common Multiple of 70791 and 70800 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70791 and 70800, than apply into the LCM equation.

GCF(70791,70800) = 3
LCM(70791,70800) = ( 70791 × 70800) / 3
LCM(70791,70800) = 5012002800 / 3
LCM(70791,70800) = 1670667600

Least Common Multiple (LCM) of 70791 and 70800 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70791 and 70800. First we will calculate the prime factors of 70791 and 70800.

Prime Factorization of 70791

Prime factors of 70791 are 3, 7, 3371. Prime factorization of 70791 in exponential form is:

70791 = 31 × 71 × 33711

Prime Factorization of 70800

Prime factors of 70800 are 2, 3, 5, 59. Prime factorization of 70800 in exponential form is:

70800 = 24 × 31 × 52 × 591

Now multiplying the highest exponent prime factors to calculate the LCM of 70791 and 70800.

LCM(70791,70800) = 31 × 71 × 33711 × 24 × 52 × 591
LCM(70791,70800) = 1670667600