Factors & Multiples

Question 0

When A divides by B, what is A & B?

Answer 0

A= multiple of B
B= factor of a

Question 1

Factors & multiples are related to____?

Answer 1

Division

Question 2

How Generate factors of a #?

Answer 2

Find all #’s between 1 & # that multiply to give desired result.

Question 3

How find GCF?

Answer 3

Find all factors of number(s) & choose largest (/greatest factor they share)

Question 4

Find Lowest common multiple

Answer 4

Find all multiples that = same # (b/w 2/ more #’s) & pick smallest.

Question 5

Find difficult LCM’s method?

Answer 5

1) find prime factors of #’s
2) find # of occurrences of EACH prime in each #
3) multiply singular prime factors of each #’s to get L.C.M

Ex. 10, 14 & 24?

1) 10: 2• 5, 14: 2•7, 24: 2•2•2•3
2) 10: (1) 2 & (1) 5
14: (1)2 & (1) 7
24: (3) 2 & (1) 3
3) 2•2•2 ((2^3)) • 3• 5• 7= 840

Question 6

Group of less than 40 students
- divided into both 3 children/group & 7 children/group (all groups same #)

What’s the group #?

Answer 6

.•. Group divisible by 3 & 7, what common factor is divisible by 3 & 7?

3: 3,6,9,12,15,18,21,24, 27, 30, 33
7: 7, 14, 21, 28, 35

Group has 21 students

Question 7

57 cats

• same # cats/ cage
• < 7/ cage

How many each cage?

Answer 7

.•. Find all factors that are < 7 & divide by number

57: 1, 3, 19…

57/ 3 = 19 cats/cage