# Prime numbers - 6th grade (11y) - math problems

#### Number of problems found: 121

- Prime factors

Factor the number 6600 into the product of prime numbers. - Prime factors

Write 98 as a product of prime factors - Decomposition

Make decomposition using prime numbers of number 155. Result write as prime factors (all, even multiple) - John Smith

John Smith is reading a 435-page novel. If he reads the same number of pages per day and the number is a prime number greater than 10, how many pages per day will he read? - Lcm of three numbers

What is the Lcm of 120 15 and 5 - Count of roots

How many solutions has equation x. y = 7757 with two unknowns on the set of natural numbers? - Fractions

Sort fractions ? by its size. Result write as three serial numbers 1,2,3. - Lcm 2

Create the smallest possible number that is divisible by numbers 5,8,9,4,3 - Divisible by nine

How many three-digit natural numbers in total are divisible without a remainder by the number 9? - Common divisors

Find all common divisors of numbers 30 and 45. - LCD 2

The least common denominator of 2/5, 1/2, and 3/4 - Number

What number should be placed instead of the asterisk in number 702*8 to get a number divisible by 6? - LCM of two number

Find the smallest multiple of 63 and 147 - Numbers

Determine the number of all positive integers less than 4183444 if each is divisible by 29, 7, 17. What is its sum? - What is 13

What is the number between 50 and 55 that is divisible by 2,3,6,9? - Plums

In the bowl are plums. How many would be there if we can divide it equally among 8, 10 and 11 children? - Decompose

Decompose into primes and find the smallest common multiple n of (16,20) and the largest common divisor D of the pair of numbers (140,100) - LCM

What is the least common multiple of 5, 50, 14? - Counting number

What is the smallest counting number divisible by 2,5,7,8 and 15? - MO Z6-6-1

Write integers greater than 1 to the blanks in the following figure, so that each darker box was product of the numbers in the neighboring lighter boxes. What number is in the middle box?

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