Posted by Tomas on Sunday, October 6, 2013 at 5:46pm.
1. What is the greatest common factor of:
2x2x5x7x7
2x5x5x7x7
a. 2x5
b. 2x5x7
c. 2x5x7x7
d. 2x2x5x5x7x7
e. 2x2x2x5x5x5x7x7x7x7
2. What is the least common multiple of:
3x3x5x5x5x7
2x3x5x5x7x7
a. 2
b. 5x5x7
c. 3x3x5x5x5x7
d. 2x3x3x5x5x5x7x7
e. 2x3x3x3x5x5x5x5x5x7x7x7
Please answer and explain
What is different between greatest common factor and least common multiple

math  Steve, Sunday, October 6, 2013 at 6:25pm
#1
GCF must divide both numbers. So,
2x5x7x7 (c)
#2
LCM must be a multiple of both numbers. So,
2x3x3x5x5x5x7x7 (d)
(e) is also a multiple, but not the LEAST multiple

math  Tomas, Sunday, October 6, 2013 at 6:54pm
#1
how to divide both mumbers

math  Steve, Sunday, October 6, 2013 at 7:29pm
2x2x5x7x7 = 2x5x7x7 x 2
2x5x5x7x7 = 2x5x7x7 x 5
There's no number which divides both 5 and 7, so we've reached the greatest factor of both values.

math  Tomas, Sunday, October 6, 2013 at 7:42pm
I understand
so, #2
how to multiple of both numbers

math  Laci, Wednesday, September 9, 2015 at 4:08pm
Thankyou so much mmrs sue
Answer This Question
Related Questions
 Math  If a is the greatest common factor of 72 and 48, and if b is the greatest...
 MATH  HOW DO LEAST COMMON MULTIPLES WORK. IT SAYS THERE IS A PROBLEM TO SOLVE ...
 Math  Two numbers Their greatest common factor is 3. Their least common ...
 Greatest Common factors  I don't know these answers. Can you help me? Greatest ...
 Math  Hello, im in 6th grade and im trying to find out the least common ...
 algebra  how would i find least common multiple of 20, 50 and 3 ? okay well you...
 Math  Did I solve this problem right? Here is the question: Use least common ...
 math  I don not understand how to do least common mutiples. Can I please get ...
 5th grade math  what is the greatest common factor of this number pair? 24,28 ...
 math  The greatest common factor of 2 numbers is 14, the least common multiple ...
More Related Questions