Advertisements
Advertisements
Question
Express the number as a product of its prime factor:
156
Advertisements
Solution
∴ 156 = 2 × 2 × 3 × 13
= 22 × 3 × 13
APPEARS IN
RELATED QUESTIONS
Find the LCM and HCF of the following integers by applying the prime factorisation method.
12, 15 and 21
What is the HCF of the smallest prime number and the smallest composite number?
Determine the prime factorisation of each of the following positive integer:
20570
Find the LCM and HCF of the following integers by applying the prime factorisation method:
40, 36 and 126
Find the LCM and HCF of the following integers by applying the prime factorisation method:
84, 90 and 120
Can two numbers have 16 as their HCF and 380 as their LCM? Give reason.
State Fundamental Theorem of Arithmetic.
If the prime factorization of a natural number n is 23 ✕ 32 ✕ 52 ✕ 7, write the number of consecutive zeros in n.
Express the number as a product of its prime factor:
7429
For what value of natural number n, 4n can end with the digit 6?
If 13824 = 2a × 3b then find a and b
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 = xiy2z; x, y being prime numbers, the LCM (A, B) is ______.
The product of two consecutive natural numbers is always ______.
Can two numbers have 18 as their HCF and 380 as their LCM? Give reasons.
Show that 12n cannot end with the digit 0 or 5 for any natural number n.
Statement A (Assertion): If product of two numbers is 5780 and their HCF is 17, then their LCM is 340.
Statement R (Reason): HCF is always a factor of LCM.
(HCF × LCM) for the numbers 30 and 70 is ______.
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?
