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What is the Least Common Multiple of 69630 and 69646?

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 69630 and 69646 is 2424725490.

LCM(69630,69646) = 2424725490

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Least Common Multiple of 69630 and 69646 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69630 and 69646, than apply into the LCM equation.

GCF(69630,69646) = 2
LCM(69630,69646) = ( 69630 × 69646) / 2
LCM(69630,69646) = 4849450980 / 2
LCM(69630,69646) = 2424725490

Least Common Multiple (LCM) of 69630 and 69646 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69630 and 69646. First we will calculate the prime factors of 69630 and 69646.

Prime Factorization of 69630

Prime factors of 69630 are 2, 3, 5, 11, 211. Prime factorization of 69630 in exponential form is:

69630 = 21 × 31 × 51 × 111 × 2111

Prime Factorization of 69646

Prime factors of 69646 are 2, 97, 359. Prime factorization of 69646 in exponential form is:

69646 = 21 × 971 × 3591

Now multiplying the highest exponent prime factors to calculate the LCM of 69630 and 69646.

LCM(69630,69646) = 21 × 31 × 51 × 111 × 2111 × 971 × 3591
LCM(69630,69646) = 2424725490