Fill the gap with the word "multiple", "divisor" or "divisible": 1005 is ....................................by 5.
divisible
The first prime number over 35.
37
Read the number: 234531
two hundred thirty-four thousand five hundred and thirty-one
Is 78 a multiple of 6?
Yes, it is!
Decompose 24 into prime factors:
2^3·3
Mathew goes hiking every 8 days and swimming every 6 days. He did both kinds of exercise today. How many days from now will he go both hiking and swimming again?
24
Fill the gap with the word "multiple", "divisor" or "divisible": 9 is a ....................................of 81.
divisor
80 oranges and 75 apples are equally packed in cartons so that no fuit is left. What is the biggest possible number of cartons needed?
5
Which of the following numbers are divisible by 3 and 5 at the same time? 305, 225 or 500.
225
What is your favourite subject?
Mathematics, of course.
Mandy is making kits to share with friends. She has 12 bottles of water and 16 cans of food, which se would like to distribute equally among the kits with nothing left over. What is the greatest number of kits Mandy can make?
4
Read the number: 7 891 003
7 millions 8 hundred ninety-one thousand and three.
LCM ( 12, 18)
36
LCM ( 35, 10)
70
A certain number of students can be arranged in groups of 3, 4 and 6 with no student left behind. Find the number of students if we know there are fewer than 20 students.
12
True or false: All prime numbers except 2 are odd.
True
Fill the gap with the word "multiple", "divisor" or "divisible": 144 is a ..................................of 12.
multiple
Is 209 divisible by 11?
Yes, it is!
Is 154 divisible by 11?
Yes, it is.
GCD ( 8, 9)
1
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