Search 74,379 tutors
FIND TUTORS
Ask a question
0 0

math word problem

Tutors, please sign in to answer this question.

2 Answers

I was always taught to multiply the highest powers of each prime factor. Using Arthur's list they would be 
 
23
32
51
71
 
which would give you 8x9x5x7 = 40x63 = 4x630 = 2x1260 = 2520
Find the least common multiple of 1,2,3,4,5,6,7,8,9, and 10
1
2
3
2x2
5
2x3
7
2x2x2
3x3
2x5
 
LCM=2x5x3x3x2x2x7=2520 soldiers
1 row of 2520
2 rows of 1260
3 rows of 840
4 rows of 630
5 rows of 504
6 rows of 420
7 rows of 360
8 rows of 315
9 rows of 280
10 rows of 252