Posted by **tayloir** on Sunday, April 22, 2007 at 10:05pm.

find the least common mutlipe of 420 196

Break down each number into prime number factors

196 = 2*2*7*7

420 = 70*2*3 = 2*2*3*5*7

The least common multiple is the product of all prime factors that occur in both numbers

2*2*3*5*7*7 = 2940

- lcm -
**monica**, Wednesday, September 23, 2009 at 7:53pm
20,40,80

## Answer This Question

## Related Questions

- math - I don not understand how to do least common mutiples. Can I please get ...
- Math - Which set of factors of the number 420 has the least possible sum? Which ...
- algebra - how would i find least common multiple of 20, 50 and 3 ? okay well you...
- math - You can use the prime factorization of a number, written as the product ...
- 5th grade math - what is the least common multiple The least common multiple is ...
- math - 1) Write 2^2 * 3 * 5 as a natural number? I get 60 is it right or should ...
- MATH - HOW DO LEAST COMMON MULTIPLES WORK. IT SAYS THERE IS A PROBLEM TO SOLVE ...
- math - You can use the prime factorization of a number, written as the product ...
- math - You can use the prime factorization of a number, written as the product ...
- Algebra I - **Match each word or phrase w/ its definition** Word Bank: A) least ...

More Related Questions