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What is the Least Common Multiple of 70770 and 70779?

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 70770 and 70779 is 1669676610.

LCM(70770,70779) = 1669676610

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Least Common Multiple of 70770 and 70779 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70770 and 70779, than apply into the LCM equation.

GCF(70770,70779) = 3
LCM(70770,70779) = ( 70770 × 70779) / 3
LCM(70770,70779) = 5009029830 / 3
LCM(70770,70779) = 1669676610

Least Common Multiple (LCM) of 70770 and 70779 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70770 and 70779. First we will calculate the prime factors of 70770 and 70779.

Prime Factorization of 70770

Prime factors of 70770 are 2, 3, 5, 7, 337. Prime factorization of 70770 in exponential form is:

70770 = 21 × 31 × 51 × 71 × 3371

Prime Factorization of 70779

Prime factors of 70779 are 3, 23593. Prime factorization of 70779 in exponential form is:

70779 = 31 × 235931

Now multiplying the highest exponent prime factors to calculate the LCM of 70770 and 70779.

LCM(70770,70779) = 21 × 31 × 51 × 71 × 3371 × 235931
LCM(70770,70779) = 1669676610