Advertisements
Advertisements
प्रश्न
Find the LCM and HCF of the following integers by applying the prime factorisation method.
17, 23 and 29
Advertisements
उत्तर
17, 23 and 29
Let us first find the factors of 17, 23 and 29
17 = 1 × 17
23 = 1 × 23
29 = 1 × 29
L.C.M of 17, 23 and 29 = 1 × 17 × 23 × 29
L.C.M of 17, 23 and 29 = 11339
H.C.F of 17, 23 and 29 = 1
संबंधित प्रश्न
Given that HCF (306, 657) = 9, find LCM (306, 657).
Determine the prime factorisation of each of the following positive integer:
20570
Determine the prime factorisation of each of the following positive integer:
58500
The HCF of two numbers is 145 and their LCM is 2175. If one number is 725, find the other.
Write down the decimal expansions of the following rational numbers by writing their denominators in the form 2m × 5n, where, m, n are non-negative integers. \[\frac{3}{8}\]
Write the sum of the exponents of prime factors in the prime factorization of 98.
If the prime factorization of a natural number n is 23 ✕ 32 ✕ 52 ✕ 7, write the number of consecutive zeros in n.
Find the LCM and HCF of the following pair of integers and verify that LCM × HCF = product of the two numbers.
336 and 54
If m, n are natural numbers, for what values of m, does 2n × 5m ends in 5?
Find the least positive value of x such that 89 ≡ (x + 3) (mod 4)
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?
For some integer p, every even integer is of the form ______.
According to the fundamental theorem of arithmetic, if T (a prime number) divides b2, b > 0, then ______.
If LCM(x, 18) = 36 and HCF(x, 18) = 2, then x is ______.
For some integer m, every even integer is of the form ______.
Show that 12n cannot end with the digit 0 or 5 for any natural number n.
If HCF (72, 120) = 24, then LCM (72, 120) is ______.
The HCF of the smallest 2-digit number and the smallest composite number is ______.
The mean of first ten natural numbers is ______.
