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What is the Least Common Multiple of 70685 and 70692?

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 70685 and 70692 is 4996864020.

LCM(70685,70692) = 4996864020

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Least Common Multiple of 70685 and 70692 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70685 and 70692, than apply into the LCM equation.

GCF(70685,70692) = 1
LCM(70685,70692) = ( 70685 × 70692) / 1
LCM(70685,70692) = 4996864020 / 1
LCM(70685,70692) = 4996864020

Least Common Multiple (LCM) of 70685 and 70692 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70685 and 70692. First we will calculate the prime factors of 70685 and 70692.

Prime Factorization of 70685

Prime factors of 70685 are 5, 67, 211. Prime factorization of 70685 in exponential form is:

70685 = 51 × 671 × 2111

Prime Factorization of 70692

Prime factors of 70692 are 2, 3, 43, 137. Prime factorization of 70692 in exponential form is:

70692 = 22 × 31 × 431 × 1371

Now multiplying the highest exponent prime factors to calculate the LCM of 70685 and 70692.

LCM(70685,70692) = 51 × 671 × 2111 × 22 × 31 × 431 × 1371
LCM(70685,70692) = 4996864020