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What does 7x13?
91
What times what equals 91?
7x13 91x1
How many days are there in 13 weeks?
7x13=91 days
When does 7x13 equals 28?
That happens when Bud Abbot and Lou Costello are planning to buy donuts for the team.
What is 91 divisible by?
91 is divisible by 7 and 13 because 7x13=91.1, 7, 13, and 91
Is 7x13 28?
No. 7 times 13 is 91. View the link for Abbot and Cosstellos proof that 7 x 13 is 28 (Comedy)
Is 91 a prime number?
No, it is divisible by 7 and 13.91 is not a prime number because it has more than two factors and so therefore it is a composite number
What is the greatest common factor of 1820 and 637?
Writing down all the factors of both numbers requires too much time so it is not a good idea to find solution by writing each factor of both numbers. Method of prime factorization is one of the good methods to find GCF. Prime factorization is like breaking a number into other numbers, prime numbers, and this factorization is unique. Prime factorization is like a blueprint for numbers. Prime factorization of 1820 = 22 x 5 x 7 x 13 Prime factorization of 637 = 7 x 7 x 13 7, 13 and 7x13 are common in the prime factorization of both numbers, but 7x13 is the greatest among these numbers. So, 7x13 = 91 is the GCF of 1820 and 637.
What is the greatest common factor of 72 and 91?
To find the greatest common factor of two numbers, you first need to factorise those numbers. In this case: 72=3x3x2x2x2 91=7x13 The next step would be to find any common factors. As there are none, this means that the greatest common factor of 72 and 91 is 1.
What is the greatest common factor of 91 and 77?
To identify the GCF of 91 and 78, you first need to break these down into their prime factors: 91 = 7x13 78 = 2x3x13 The next step is to identify any common prime factors. In this case, both numbers have 13 as a prime factor. Thus the greatest common factor of 91 and 78 is 13.
Is ninety-one a prime number?
No. A prime number is a number only divisible by one and itself. 91/7 = 13. The first twenty-five prime numbers include 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, and 97.
What is the greatest common factor of 55 and 91?
To find the greatest common factor of three numbers, you need to first express them as the product of their prime factors. In this case, 52 65 and 91 can be expressed as follows: 52 = 2x2x13 65 = 5x13 91 = 7x13 The next step is to identify any common factors. In this case, the only factor which appears in all 3 numbers' prime factors is 13. Thus the greatest common factor of 52, 65 and 91 is 13.
