हिंदी

Express the number as a product of its prime factor: 156 - Mathematics

Advertisements
Advertisements

प्रश्न

Express the number as a product of its prime factor:

156

योग
Advertisements

उत्तर

∴ 156 = 2 × 2 × 3 × 13 

= 22 × 3 × 13

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 1: Real Numbers - Exercise 1.2 [पृष्ठ ११]

APPEARS IN

एनसीईआरटी Mathematics [English] Class 10
अध्याय 1 Real Numbers
Exercise 1.2 | Q 1.2 | पृष्ठ ११

वीडियो ट्यूटोरियलVIEW ALL [2]

संबंधित प्रश्न

Consider the number 6n where n is a natural number. Check whether there is any value of n ∈ N for which 6n is divisible by 7.


Explain why 7 × 11 × 13 + 13 and 7 × 6 × 5 × 4 × 3 × 2 × 1 + 5 are composite numbers.


State fundamental theorem of arithmetic?


Determine the prime factorisation of each of the following positive integer:

 20570


Find the LCM and HCF of the following pair of integers and verify that LCM × HCF = Product of the two numbers.

26 and 91


Write the exponent of 2 in the price factorization of 144.


The sum of the exponents of the prime factors in the prime factorization of 1729 is


LCM of the given number ‘x’ and ‘y’ where y is a multiple of ‘x’ is given by ______.


There is a circular path around a sports field. Priya takes 18 minutes to drive one round of the field. Harish takes 12 minutes. Suppose they both start at the same point and at the same time and go in the same direction. After how many minutes will they meet?


If two positive integers A and B can be expressed as A = xy3 and B = x4y2z; x, y being prime numbers then HCF (A, B) is ______.


The largest number which divides 60 and 75, leaving remainders 8 and 10 respectively, is ______.


The number in the form of 4p + 3, where p is a whole number, will always be ______.


The ratio of LCM and HCF of the least composite and the least prime numbers is ______.


If LCM(x, 18) = 36 and HCF(x, 18) = 2, then x is ______.


If the HCF of 65 and 117 is expressible in the form 65m – 117, then the value of m is ______.


Find the HCF and LCM of 72 and 120.


Read the following passage:

Khushi wants to organize her birthday party. Being health conscious, she decided to serve only fruits in her birthday party. She bought 36 apples and 60 bananas and decided to distribute fruits equally among all.

Based on the above information, answer the following questions:

  1. How many guests Khushi can invite at the most?
  2. How many apples and bananas will each guest get?
    1. If Khushi decides to add 42 mangoes, how many guests Khushi can invite at the most?
      OR
    2. If the cost of 1 dozen of bananas is ₹ 60, the cost of 1 apple is ₹ 15 and cost of 1 mango is ₹ 20, find the total amount spent on 60 bananas, 36 apples and 42 mangoes.

National Art convention got registrations from students from all parts of the country, of which 60 are interested in music, 84 are interested in dance and 108 students are interested in handicrafts. For optimum cultural exchange, organisers wish to keep them in minimum number of groups such that each group consists of students interested in the same artform and the number of students in each group is the same. Find the number of students in each group. Find the number of groups in each art form. How many rooms are required if each group will be allotted a room?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×