LCM for 90 and 190

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What's the Least Common Multiple (LCM) of 90 and 190?

Answer

LCM of 90 and 190 is
1,710

First common multiples: 1,710; 3,420; 5,130; …

1,710 is divisible by both: 1,710 ÷ 90 = 19; 1,710 ÷ 190 = 9 — and 19 and 9 share no factor but 1, so no smaller number is. As a common denominator: multiply the top and bottom of x/90 by 19 and of y/190 by 9.

90 = 2 × 32 × 5

190 = 2 × 5 × 19

Prime90190Highest power
2222
332—32
5555
19—1919

— = power 0: the prime is not a factor of this number; the LCM takes it from the number that has it.

LCM = 2 × 32 × 5 × 19 = 1,710

See Also

FAQ

What's the Least Common Multiple (LCM) of 90 and 190?

LCM of 90 and 190 is 1,710

How to find the LCM of 90 and 190 using prime factorization?

To find the LCM of 90 and 190, find all prime factors of both numbers, then multiply the highest power of each prime factor. The result is 1,710.

What is the difference between LCM and GCF?

LCM (Least Common Multiple) is the smallest number divisible by both numbers, while GCF (Greatest Common Factor) is the largest number that divides both. For 90 and 190: LCM = 1,710, GCF = 10.