Natural numbers + prime numbers - practice problems - page 8 of 16
Number of problems found: 303
- Times 7822
How often is D (24.60) less than n (24.60)? - Decompose 37101
Decompose the number of primes and find its digit sum: 180, 232, 460, 240, 365, - Reminder and quotient
There are given the number C = 281, D = 201. Find the highest natural number S so that the C:S and D:S are with the remainder of 1. - Dance ensemble
The dance ensemble took the stage in pairs. During dancing, the dancers gradually formed groups of four, six, and nine. How many dancers have an ensemble?
- Cherries
Cherries in the bowl can be divided equally among 20 or 15, or 10 children. How many are the minimum cherries in the bowl? - Determines 80517
Determines all two-digit numbers that have a greatest common divisor of 19 with the number 76 - Unclassified 6521
No one was left unclassified after joining the two, three, four, and eight steps. How many students were there in a physical education class? - The GCF
The GCF of 40 and a number is 8. what is the number if it lies between 70 and 80? - Length of a string
What are the smallest string length we can cut into 18 equal parts and even 27 equal parts (in decimeters)?
- 7 digit number
If 3c54d10 is divisible by 330, what is the sum of c and d? - One hundred stamps
A hundred letter stamps cost a hundred crowns. Its costs are four levels - twenty tenths, one crown, two-crown and five-crown. How many are each type of stamp? How many does the problem have solutions? - 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) - Number
What number should be placed instead of the asterisk in the number 702*8 to get a number divisible by 6? - Prime factors
Write 98 as a product of prime factors.
- Lcm 2
Create the smallest possible number that is divisible by the number 5,8,9,4,3, - Workbooks 7701
Determine the smallest possible number of workbooks divided into stacks of 6, 8, 9, or 10. - Lcm and hcf
If the LCM of a and 18 is 36 and the HCF of a and 18 is 2, then a = … - Count of roots
How many solutions have equation x. y = 7757 with two unknowns on the set of natural numbers? - Prime divisors
Find 2/3 of the sum's ratio and the product of all prime divisors of the number 120.
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