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What are the prime factors of 63?
The prime factors of 63 are: 3,7.3 x 3 x 7The prime numbers (factors) of 63 are: 3 and 73 and 73*3*7
What is the HCF and LCM of 63 and 21?
First you need to break the numbers into their prime factors. In this case we get: 63 = 3x3x7 21 = 3x7 The next step is to identify any common prime factors. In this case both have a 3 and a 7 as prime factors. Multiply these together and you get 3x7 = 21. This is the HCF. To find the LCM you just multiply the numbers together and divide by the HCF. 63x21/21 = 63 Thus 63 is the LCM.
Which is a prime number 43 or 63?
63 has the factors 1, 3, 7, 9, 21, 63 43 is a prime number because there are no numbers that can divide into one and itself.
What are the prime numbers in 47 31 92 63 57 and 135?
31 and 47 are prime.
What are the composite numbers between 60 to 70?
Between 60 and 70 the composite numbers are: 62, 63, 64, 65, 66, 68, 69. 60 and 70 are also composite.
