EDM 4.1 Extended Facts

EDM 4.1 Extended Facts

Multiple Select

Which of the following are factors of 20?

• 1 and 20

• 2 and 10

• 3 and 6

• 4 and 5

• 40 and 60

Multiple Select

The factors of 20 are 1, 2, 4, 5, 10 and 20.

Which of those numbers are prime?

• 1

• 2

• 4

• 5

• 10

Multiple Select

Which of the following are factors of 35?

• 1 and 35

• 70 and 140

• 2 and 17.5

• 5 and 7

• 3 and 12

Multiple Select

The factors of 35 are 1, 5, 7 and 35.

Which of those numbers are prime?

• 1

• 5

• 7

• 35

Fill in the Blanks

Aryan has 40 cool rocks. Irfan has 20 times as many cool rocks as Aryan. How many cool rocks does Irfan have?