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What is the Least Common Multiple of 77623 and 77630?

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 77623 and 77630 is 860839070.

LCM(77623,77630) = 860839070

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Least Common Multiple of 77623 and 77630 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77623 and 77630, than apply into the LCM equation.

GCF(77623,77630) = 7
LCM(77623,77630) = ( 77623 × 77630) / 7
LCM(77623,77630) = 6025873490 / 7
LCM(77623,77630) = 860839070

Least Common Multiple (LCM) of 77623 and 77630 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77623 and 77630. First we will calculate the prime factors of 77623 and 77630.

Prime Factorization of 77623

Prime factors of 77623 are 7, 13, 853. Prime factorization of 77623 in exponential form is:

77623 = 71 × 131 × 8531

Prime Factorization of 77630

Prime factors of 77630 are 2, 5, 7, 1109. Prime factorization of 77630 in exponential form is:

77630 = 21 × 51 × 71 × 11091

Now multiplying the highest exponent prime factors to calculate the LCM of 77623 and 77630.

LCM(77623,77630) = 71 × 131 × 8531 × 21 × 51 × 11091
LCM(77623,77630) = 860839070