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2 numbers the factor of each adds up to make the other number?
Amicable numbers are two different numbers so related that the sum of the proper divisors of each is equal to the other number. For example, the smallest pair of amicable numbers is (220, 284)
What are not prime numbers and example?
Every even number, except 2, is not prime. example: 4, 6, 8, 10, and so on.
What is interesting about the factors of 220 and 284?
the factors of 220 add up to 284; the factors of 284 add up to 220. 220 is divisible by 1,2,4,5,10,11, 20,22,44,55 and 110. 1+2+4+5+10+11+20+22+44+55+110 = 284 284 is divisible by 1,2,4,71 and 142. 1+2+4+71+142 = 220. A pair of numbers with this ability is called 'amicable numbers'. Other knows pairs of amicable numbers are (17296, 18416) and (9363584, 9437056).
Is the LCM of a set of numbers is equal to the one of the numbers in the set?
Yes, if one of the numbers is a multiple of the other.
What is the GCF of 1 through 100?
The only factor common to all those numbers is 1.
