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Is 5291 a prime number or a composite number?
5291 is not prime. 5291 = 11 * 13 * 37
What number is 100 less than 5391?
5291
How do you work out what 5 prime numbers times together to equals 111111?
the first thing to do is to is to narrow your options. There are a few things you know. The numbers that it cannot be: 1 (if it was one, it'd be 4 numbers instead of 5) 2 (isn't even) 5 (doesn't end in 5 or 0) #>111111 We know that it is the product of five numbers so we can deduce that it is likely that: 111111^(1/5) = ~ 10 (the numbers will proably be around 10): 7, 11, 13, Since the digits add up to 6 (which is a multiple of 3), one of the factors must be 3 So from there it's trial and error: 111111/3 =37037 Try 7 37037/7=5291 Try 11 5291/11=481 Try 13 481/13=37 So the numbers are: 3,7,11,13,37
How do you work out 143 x 37?
143x37----1001 First you multiply the 7 by each digit in 1 4 3, carrying over tens digits.429 Then moving over to left 1 place, multiply 3 by 143.5291 Then add the two numbers in the columns. Answer = 5291
What are the multiples of 481?
481, 962, 1443, 1924, 2405, 2886, 3367, 3848, 4329, 4810, 5291, . . .
