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
LCM ( 35, 10)
70
Which of the following numbers are divisible by 3 and 5 at the same time? 305, 225 or 500.
225
Fill the gap with the word "multiple", "divisor" or "divisible": 1005 is ....................................by 5.
divisible
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
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.
Decompose 24 into prime factors:
2^3·3
LCM ( 12, 18)
36
Fill the gap with the word "multiple", "divisor" or "divisible": 144 is a ..................................of 12.
multiple
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
Is 78 a multiple of 6?
Yes, it is!
Fill the gap with the word "multiple", "divisor" or "divisible": 9 is a ....................................of 81.
divisor
Is 209 divisible by 11?
Yes, it is!
Read the number: 234531
two hundred thirty-four thousand five hundred and thirty-one
True or false: All prime numbers except 2 are odd.
True
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