All categories

3 years ago

What is the greatest common factor of 42, 30, and 45

Mathematics

1 answer:

Crank3 years ago

7 0

Answer:

GCF = 3

Step-by-step explanation:

Express the numbers as a product of their primes.

42 = 2 × 3 + 7

30 = 2 × 3 × 5

45 = 3 × 3 × 5

Identify the prime factors common to all 3 numbers.

common prime factor = 3 , thus

GCF = 3

You might be interested in

Simplify 5^2 x 5^4<br> A. 5^6 <br> B. 5^2 <br> C. 5 x 8 <br> D. 5^8

Romashka [77]

Answer:

Step-by-step explanation:

Both equal 15,625

5 0

3 years ago

Read 2 more answers

FREEEEEE POINTTTTTZZZZZZZZZZZZZ

Dovator [93]

Add 9+9 and it eat either equals 18 or 81

5 0

2 years ago

Read 2 more answers

Does One-half hour equals , 2 one quarter hours

Ghella [55]

Half an hour= two quarters of an hour

7 0

2 years ago

Help.. math is the one thing i suck at ..

Ray Of Light [21]

Answer:

D) (1,1)

Step-by-step explanation:

i believe its D because thats where the line intercepts with the x and y axis :)

8 0

3 years ago

On a recent math test, the class scored grades between 72% and 100%. Write an inequality that models the range of class test gra

crimeas [40]

72-100=x which is the grade

7 0

3 years ago

What is the greatest common factor of 42, 30, and 45​

What is the greatest common factor of 42, 30, and 45